US3129449A - Toothbrush with shuttingly oscillatingly and rotatingly movable cleaning and massaging elements - Google Patents

Toothbrush with shuttingly oscillatingly and rotatingly movable cleaning and massaging elements Download PDF

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Publication number
US3129449A
US3129449A US137169A US13716961A US3129449A US 3129449 A US3129449 A US 3129449A US 137169 A US137169 A US 137169A US 13716961 A US13716961 A US 13716961A US 3129449 A US3129449 A US 3129449A
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United States
Prior art keywords
inner space
toothbrush
disc
base
bristle
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Expired - Lifetime
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US137169A
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English (en)
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Cyzer Bernard
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement

Definitions

  • This invention provides a toothbrush in which the present prophylactic principles for mouth cavity, teeth and especially for the intervals between the teeth together with the gums are taken into consideration. It consists of tooth-cleaning and gum-massaging brushing portions or equivalent elements, which are constructed to carry out a combined movement in all directions as soon as the toothbrush is pressed to the teeth while the handle is pushed back and forth with correspondingly straight semi-circular and circular movements.
  • the brushing elements are mounted in sockets, which are in turn connected to the brush-head to carry out circular and oscillating movements while avoiding the harmful efiects of excessive friction.
  • the present invention concerns a further development within the general idea of providing movement of the brushing elements relative to the brush-head with the view of diminishing undesired and harmful friction, and of permitting only such friction as is necessary for the cleaning and massaging action or simultaneously providing deep penetration of the brushing elements into the intervals between the teeth.
  • this invention provides simultaneous shut tling-oscillating-and circular movability of the brushing elements; the latter are loosely mounted within cylindershaped openings in the brush-head to carry out this desired motion.
  • brushing elements is used herein to denote bundles of natural or artificial bristles, or the single staffs or bundles of staffs (formed of rubber or similar material), which may possess the equivalent cleaning and massaging qualities,
  • Each brushing element is correspondingly mounted in an overturned cup-shaped holder.
  • These holders have a cylindrically round wall-shape, which extends downwards to an outwardly outspread flat or vaulted bottom.
  • the vault lies on a correspondingly concave surface, or with its highest point on an even, flat surface. Accordingly, the holder possesses one or more cylinder-shaped openings of various sizes.
  • a loose disc as a support. This disc is vaulted or convex on one side; and quite fiat or even on the other side.
  • the brush can be designed as an integral part of the handle, or as a detachable or changeable part.
  • the brush will preferably consist of two cup-halves provided with screws or similar fastenings having sockets shaped to receive the brushing elements within a hollowed internal region of the cups.
  • This design makes it possible to use the sockets as distributing chambers for the dentifrice which may be supplied by a container placed in the toothbrush handle (in the manner set forth in my copending US. patent application Serial No. 137,462, filed September 11, 1961, entitled Toothbrush With Liquid Container, in the name of Bernard Cyzer).
  • the shuttling-oscillating, rotating combination of the brush elements enables the carrying out of movements in all directions, relative to the brushhead including rotation about their individual axes as soon as the brush-head is moved into all directions or is simply pushed back and forth.
  • FIGURE 1 is a partial longitudinal section on the line II of FIGURE 2 of a toothbrush according to one form of the invention.
  • FIGURE 2 is a horizontal-longitudinal section of the toothbrush on the line II.-II of FIGURE 1.
  • FIGURE 3 is a partial longitudinal section of a brush according to another form of the invention.
  • FIGURES 4 and 5 are lateral elevation and plan views respectively of a further form of the invention.
  • the brushhead consists of two oblong cups 1, 2 which pass into a handle 2 and are connected with each other by. some suitable means, e.g., screws or the like 3. They include a number of hollows, which constitute sockets for the bases of the brushing elements.
  • the particular toothbrush has two larger brushing elements 4 and nine smaller brushing elements 4a.
  • Each of these brushing elements are joined in one or more bundles or bristles in cylindershaped holders 5.
  • Each holder extends downwardly to a semi-spherical or vaulted bottom 6.
  • the single bundles of bristles and also the groups of bundles of bristles are preferably cut at a sharp angle.
  • the holders with their vaulted bottom are inserted ino the sockets inside the brush-head and the bristles project outwardly from the openings of the upper oblong cup.
  • the vaulted bottoms 6 may directly interengage the lower internal surface provided by lower cup 2 as it is to be seen on the right side of FIG- URE 1, or by the insertion of loose disks in the shape of semi-spherical segments 7.
  • Each brushing element may have its individual disc 7a, as shown in FIGURES 1 and 3, or a disk is fixed under a number of the bottoms (left of FIGURE 1). In order to properly mate the vaults of the bottoms 6 and 7 and 7a, the discs are fixed in corresponding sockets of the lower half of the cup 2.
  • the cylinder-shaped openings of the upper half of the cup about the holders 5 and also the entire socket between the two halves of the cups are much wider than the inserted disks 7 and 7a, so that they have free play in all directions. This enables the brushing elements to carry out at the same time the shuttling-oscillating-and rotating movements about their individual axes, as soon as the brush-head together with the brushing elements are applied to the teeth and the gum with the handle being pushed straight, semi-circular or in circular movement, or simply by back and forth movements.
  • FIGURE 1 shows a dentifrice feed duct 8 for the dentifrice which extends between the two cup-halves 1, 2 in accordance with my aforementioned copending US. patent application Serial No. 137,462.
  • FIGURE 3 shows a brush-head which has only two large brushing elements 9, the principles of operation corresponding to that of FIGURES l and 2.
  • the vaulted part 6 of each brushing element rests upon a loose intermediate disk 7a on its straight, flat side, while its convex side rests on the straight surface of the socket bottom.
  • the sections of the bottom plane in the lower socket, on which the disks 7a rest, have a sloping meeting place, which makes the axes of the brushing elements lie inclined towards one another to thereby increase their cleaning action.
  • element 11 which comprises a group of rubber staffs, is added to the cleaning and brushing element.
  • This element 11 is movably fixed in a holder 11a which extends upwards from the upper edge of the brushing element holder by means of extensions 13 and which is inserted in- 3 to the brushing element 4b by a hinge member 14 which passes through a suitable hole in the base of the holder 11a. It is also possible to provide this upwardly extending holder with bristles instead of rubber-staffs.
  • a toothbrush comprising a handle and a bristle carrying head; said head formed of a first and second oblong cup generally extending in a firstv direction, and s assembled to provide an inner space between opposed surfaces thereof; said first oblong cup containing cylindrical apertures having axes substantially perpendicular to said first direction, through which a plurality of bristle assemblies project their bristles outwardly with respect tosaid inner space; each of said bristle assemblies comprising a plurality of bristles held together at one of their ends by a cylindrical sleeve; said cylindrical sleeve having a base terminated by a convex base surface; said convex base surface operatively positioned to be freely movable about the bottom of said inner space; said bottom of said inner space being the inner surface of said second oblong cup; said cylindrical aperture having a significantly greater diameter than said sleeve to provide a substantial clearance whereby said bristle assembly freely oscillates about its respective one of said axes; said base including
  • a toothbrush according to claim 1 wherein at least one disc is disposed in a hollow part of said bottom of said inner space, a plurality of said convex base surfaces resting on said disc; said disc having first and second surfaces; said first surface of an extent to receive said plurality of convex base surfaces; said second surface communicating with said bottom of said inner space in a manner facilitating said oscillating movement of said bases about said axis.

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US137169A 1960-09-13 1961-09-11 Toothbrush with shuttingly oscillatingly and rotatingly movable cleaning and massaging elements Expired - Lifetime US3129449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL1437660 1960-09-13

Publications (1)

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US3129449A true US3129449A (en) 1964-04-21

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US137169A Expired - Lifetime US3129449A (en) 1960-09-13 1961-09-11 Toothbrush with shuttingly oscillatingly and rotatingly movable cleaning and massaging elements

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US (1) US3129449A (fr)
BE (1) BE608138A (fr)
GB (1) GB989953A (fr)

Cited By (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535761A (en) * 1982-06-24 1985-08-20 Arnell Inc. Gum massager
US4633542A (en) * 1984-04-13 1987-01-06 Laboratoires Pharmascience Brush having resiliently retractable bristles, in particular for brushing surfaces of complex shape, such as teeth
US4683875A (en) * 1982-06-24 1987-08-04 Lewis Rabinowitz Gum massager
US4694844A (en) * 1984-02-27 1987-09-22 Berl Marta N Toothbrush
US4696480A (en) * 1985-10-24 1987-09-29 Forsheda Ab Device for removing dirt from a surface, especially a brush sealing device
US5061106A (en) * 1988-03-08 1991-10-29 Colgate-Palmolive Company Toothbrush with slow release of disinfectant and antibacterial agents and method of manufacturing the same
WO1992001407A1 (fr) * 1990-07-24 1992-02-06 Brice Michael F Brosse a dents a deux tetes jumelles
US5269038A (en) * 1991-03-29 1993-12-14 Bradley Terry G Rocker toothbrush
US5337435A (en) * 1992-09-18 1994-08-16 Krasner Janet H Automatic toothbrush
US5345645A (en) * 1992-03-23 1994-09-13 Page Lawrence R Subgingival toothbrush
US5398366A (en) * 1991-03-29 1995-03-21 Bradley; Terry Rocker toothbrush
US5454133A (en) * 1993-11-02 1995-10-03 Garnet; Arrow Toothbrush
US5499421A (en) * 1993-06-15 1996-03-19 Brice; Michael F. Twin-headed toothbrush
US5813079A (en) * 1991-03-27 1998-09-29 Lingner & Fischer Gmbh Toothbrush having a flexibility linked zone in its head
US5996157A (en) * 1998-03-16 1999-12-07 Smith; Lee Y. Toothbrush with manual rotary patterned bristle method
US6219874B1 (en) 1994-07-13 2001-04-24 The Procter & Gamble Co. Resiliently flexible bristle bearing head toothbrush
US6314605B1 (en) 1996-08-02 2001-11-13 The Procter & Gamble Company Toothbrush
US6408476B1 (en) 1996-01-18 2002-06-25 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US6514445B1 (en) 1996-12-24 2003-02-04 The Procter & Gamble Company Brush making
US6553604B1 (en) * 2000-03-16 2003-04-29 Gillette Canada Company Toothbrush
US20030084527A1 (en) * 2001-11-06 2003-05-08 The Procter & Gamble Co. Multi-motion toothbrush
US20030084526A1 (en) * 2001-11-06 2003-05-08 The Procter & Gamble Co. Multi-motion toothbrush
US20030140437A1 (en) * 2002-01-31 2003-07-31 Eyal Eliav Powered toothbrush
US20030159224A1 (en) * 2001-12-28 2003-08-28 Franz Fischer Toothbrush and process for producing such a toothbrush
US6687940B1 (en) * 1998-10-08 2004-02-10 Trisa Holding Ag Toothbrush
WO2004014181A1 (fr) * 2002-08-09 2004-02-19 Colgate-Palmolive Company Brosse a dents de forme arrondie flexible
WO2004014183A1 (fr) * 2002-08-09 2004-02-19 Colgate-Palmolive Company Brosse a dent souple
US6725490B2 (en) 2001-11-06 2004-04-27 The Procter & Gamble Company Complex motion toothbrush
US20040128784A1 (en) * 2000-07-18 2004-07-08 Ramy Weitz Toothbrush with longitudinal to lateral motion conversion
US6760946B2 (en) 1999-10-22 2004-07-13 The Gillette Company Brush head for toothbrush
US20040154112A1 (en) * 2003-02-11 2004-08-12 Braun Phillip M. Toothbrushes
US20040177462A1 (en) * 2003-03-14 2004-09-16 The Gillette Company Toothbrush head
US20050060822A1 (en) * 2003-09-19 2005-03-24 Chenvainu Alexander T. Toothbrushes
US20050091769A1 (en) * 2003-10-30 2005-05-05 Eduardo Jimenez Toothbrush with enhanced cleaning effects
US20050155167A1 (en) * 2003-12-19 2005-07-21 The Procter & Gamble Company Electric toothbrush
US20050187469A1 (en) * 2002-05-06 2005-08-25 Uscom Pty Ltd. Blood flow oxygen measurement system and method
US20050188487A1 (en) * 2002-08-09 2005-09-01 Robert Moskovich Toothbrush
US20050193512A1 (en) * 2002-08-09 2005-09-08 Robert Moskovich Toothbrush
US20050235439A1 (en) * 2003-03-14 2005-10-27 The Gillette Company Toothbrush
US20050246847A1 (en) * 2000-06-16 2005-11-10 Brice Michael F Twin-headed toothbrush
US20050273961A1 (en) * 2002-08-09 2005-12-15 Robert Moskovich Toothbrush
US20060057087A1 (en) * 2002-08-09 2006-03-16 Colgate-Palmolive Company Oral care implement
US20060099162A1 (en) * 2002-08-09 2006-05-11 Colgate-Palmolive Company Oral care implement
US20060117505A1 (en) * 2004-12-08 2006-06-08 The Procter & Gamble Company Electric toothbrushes
US20060137118A1 (en) * 2001-11-07 2006-06-29 The Procter & Gamble Company Complex motion toothbrush
WO2006079122A1 (fr) * 2005-01-21 2006-07-27 Malcolm Duncan Brosse a dent
US20060191085A1 (en) * 2001-11-06 2006-08-31 The Procter & Gamble Company Multi-motion toothbrush
US20060242778A1 (en) * 1999-06-14 2006-11-02 Solanki Sanjay A Toothbrush
US20060254007A1 (en) * 2002-12-30 2006-11-16 The Procter & Gamble Company Power toothbrush
US20060282963A1 (en) * 2001-04-02 2006-12-21 Brown William R Jr Electric toothbrush head
US20070026294A1 (en) * 2004-03-25 2007-02-01 Yuzuru Shimazaki Catalyst nanoparticle
USD536876S1 (en) 2003-02-03 2007-02-20 Church & Dwight Co., Inc. Head portion of a toothbrush
US20070204417A1 (en) * 2002-08-09 2007-09-06 Russell Bruce M Toothbrush
US20070251033A1 (en) * 2001-11-06 2007-11-01 The Procter & Gamble Company Multi motion toothbrush
US20080016633A1 (en) * 2002-03-04 2008-01-24 The Procter & Gamble Company Electric toothbrushes
US20080078040A1 (en) * 2003-05-23 2008-04-03 The Gillette Company, A Delaware Corporation Toothbrushes
US7421753B2 (en) 2003-03-10 2008-09-09 The Procter And Gamble Company Electric toothbrushes
US20090019650A1 (en) * 2007-07-18 2009-01-22 Brushpoint Innovations Inc Powered toothbrush with flexible head
US20090025165A1 (en) * 2002-08-09 2009-01-29 Colgate-Palmolive Oral Care Implement Having Flexibly Supported Cleaning Elements Extending In Opposite Directions
CN100469276C (zh) * 2002-08-09 2009-03-18 高露洁-棕榄公司 柔性穹顶形牙刷
USD612611S1 (en) 2003-02-11 2010-03-30 The Gillette Company Head of a toothbrush
US20100263148A1 (en) * 2003-10-30 2010-10-21 Colgate-Palmolive Company Toothbrush with enhanced cleaning effects
US7841041B2 (en) 2002-08-09 2010-11-30 Colgate-Palmolive Company Oral care implement
USD637003S1 (en) 2006-05-08 2011-05-03 Colgate-Palmolive Company Toothbrush
USD637400S1 (en) 2006-05-08 2011-05-10 Colgate-Palmolive Company Toothbrush
US20120174328A1 (en) * 2002-08-09 2012-07-12 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8281448B2 (en) 2005-10-24 2012-10-09 Colgate-Palmolive Company Oral care implement having one or more moving sections
US20130036567A1 (en) * 2002-08-09 2013-02-14 Colgate-Palmolive Company Toothbrush
US8584299B2 (en) 2003-04-23 2013-11-19 The Procter & Gamble Company Electric toothbrushes
US8800093B2 (en) 2002-08-09 2014-08-12 Colgate-Palmolive Company Oral care implement
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US9526324B2 (en) 2010-09-30 2016-12-27 Colgate-Palmolive Company Oral care implement
US20180055208A1 (en) * 2016-09-01 2018-03-01 Colgate-Palmolive Company Oral care implement
US10405642B2 (en) 2002-12-19 2019-09-10 Trisa Holding Ag Toothbrush and process for producing the same
US11103056B2 (en) * 2016-09-01 2021-08-31 Colgate-Palmolive Company Oral care implement and filament therefor
US11219303B2 (en) 2016-04-20 2022-01-11 Trisa Holding Ag Brush product and method for the production thereof

Families Citing this family (2)

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WO1998002062A1 (fr) * 1996-07-15 1998-01-22 Trisa Bürstenfabrik Ag Triengen Brosse a dents
US6389634B1 (en) 1998-11-24 2002-05-21 Gillette Canada Company Oral devices

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Cited By (174)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683875A (en) * 1982-06-24 1987-08-04 Lewis Rabinowitz Gum massager
US4535761A (en) * 1982-06-24 1985-08-20 Arnell Inc. Gum massager
US4694844A (en) * 1984-02-27 1987-09-22 Berl Marta N Toothbrush
US4633542A (en) * 1984-04-13 1987-01-06 Laboratoires Pharmascience Brush having resiliently retractable bristles, in particular for brushing surfaces of complex shape, such as teeth
US4696480A (en) * 1985-10-24 1987-09-29 Forsheda Ab Device for removing dirt from a surface, especially a brush sealing device
US5061106A (en) * 1988-03-08 1991-10-29 Colgate-Palmolive Company Toothbrush with slow release of disinfectant and antibacterial agents and method of manufacturing the same
WO1992001407A1 (fr) * 1990-07-24 1992-02-06 Brice Michael F Brosse a dents a deux tetes jumelles
US5121520A (en) * 1990-07-24 1992-06-16 Inter-X Scientific, Inc. Twin-headed toothbrush
US5813079A (en) * 1991-03-27 1998-09-29 Lingner & Fischer Gmbh Toothbrush having a flexibility linked zone in its head
US5398366A (en) * 1991-03-29 1995-03-21 Bradley; Terry Rocker toothbrush
US5269038A (en) * 1991-03-29 1993-12-14 Bradley Terry G Rocker toothbrush
US5345645A (en) * 1992-03-23 1994-09-13 Page Lawrence R Subgingival toothbrush
US5337435A (en) * 1992-09-18 1994-08-16 Krasner Janet H Automatic toothbrush
US5499421A (en) * 1993-06-15 1996-03-19 Brice; Michael F. Twin-headed toothbrush
US6112361A (en) * 1993-06-15 2000-09-05 Michael F. Brice Twin-headed toothbrush
US5454133A (en) * 1993-11-02 1995-10-03 Garnet; Arrow Toothbrush
US6219874B1 (en) 1994-07-13 2001-04-24 The Procter & Gamble Co. Resiliently flexible bristle bearing head toothbrush
US6505373B2 (en) 1994-07-13 2003-01-14 The Procter & Gamble Company Toothbrush
US6408476B1 (en) 1996-01-18 2002-06-25 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US6314605B1 (en) 1996-08-02 2001-11-13 The Procter & Gamble Company Toothbrush
US6514445B1 (en) 1996-12-24 2003-02-04 The Procter & Gamble Company Brush making
US5996157A (en) * 1998-03-16 1999-12-07 Smith; Lee Y. Toothbrush with manual rotary patterned bristle method
US6687940B1 (en) * 1998-10-08 2004-02-10 Trisa Holding Ag Toothbrush
US20100162506A1 (en) * 1999-06-14 2010-07-01 Sanjay Amratlal Solanki Toothbrush
US7707676B2 (en) 1999-06-14 2010-05-04 The Procter & Gamble Company Toothbrush
US8060970B2 (en) 1999-06-14 2011-11-22 The Procter & Gamble Company Toothbrush
US20060242778A1 (en) * 1999-06-14 2006-11-02 Solanki Sanjay A Toothbrush
US8332985B2 (en) 1999-06-14 2012-12-18 The Procter & Gamble Company Toothbrush
US7832042B2 (en) 1999-10-22 2010-11-16 The Gillette Company Brush head for toothbrush
US6760946B2 (en) 1999-10-22 2004-07-13 The Gillette Company Brush head for toothbrush
EP2298125A3 (fr) * 2000-03-16 2013-05-15 Gillette Canada Company Brosse à dents
US6553604B1 (en) * 2000-03-16 2003-04-29 Gillette Canada Company Toothbrush
AU2010200416B2 (en) * 2000-03-16 2012-04-26 Gillette Canada Company Toothbrush
USRE44819E1 (en) 2000-03-16 2014-04-01 Procter & Gamble Business Services Canada Company Toothbrush
US7363823B2 (en) 2000-06-16 2008-04-29 Nmoc, Llc Twin-headed toothbrush
US20050246847A1 (en) * 2000-06-16 2005-11-10 Brice Michael F Twin-headed toothbrush
US20040128784A1 (en) * 2000-07-18 2004-07-08 Ramy Weitz Toothbrush with longitudinal to lateral motion conversion
US8166601B2 (en) 2001-04-02 2012-05-01 Braun Gmbh Electric toothbrush head
US20080172814A1 (en) * 2001-04-02 2008-07-24 Brown William R Electric toothbrush head
US20060282963A1 (en) * 2001-04-02 2006-12-21 Brown William R Jr Electric toothbrush head
US7861350B2 (en) 2001-11-06 2011-01-04 The Procter & Gamble Company Multi-motion toothbrush
US7640614B2 (en) 2001-11-06 2010-01-05 The Procter & Gamble Company Multi motion toothbrush
US6892413B2 (en) 2001-11-06 2005-05-17 The Procter & Gamble Company Complex motion toothbrush
US20030084528A1 (en) * 2001-11-06 2003-05-08 The Procter & Gamble Company Multi-motion toothbrush
US8281443B2 (en) 2001-11-06 2012-10-09 The Procter & Gamble Company Multi-motion toothbrush
US7340794B2 (en) 2001-11-06 2008-03-11 The Procter & Gamble Company Multi-motion toothbrush
US20070251033A1 (en) * 2001-11-06 2007-11-01 The Procter & Gamble Company Multi motion toothbrush
US20030084527A1 (en) * 2001-11-06 2003-05-08 The Procter & Gamble Co. Multi-motion toothbrush
US20110072599A1 (en) * 2001-11-06 2011-03-31 Brown Patrick W Multi-Motion Toothbrush
US7225494B2 (en) 2001-11-06 2007-06-05 Church & Dwight Co., Inc. Multi-motion toothbrush
US20030084526A1 (en) * 2001-11-06 2003-05-08 The Procter & Gamble Co. Multi-motion toothbrush
US6725490B2 (en) 2001-11-06 2004-04-27 The Procter & Gamble Company Complex motion toothbrush
US20100088832A1 (en) * 2001-11-06 2010-04-15 Brown Patrick W Multi-Motion Toothbrush
US20060191085A1 (en) * 2001-11-06 2006-08-31 The Procter & Gamble Company Multi-motion toothbrush
US7761947B2 (en) 2001-11-07 2010-07-27 The Procter & Gamble Company Complex motion toothbrush
US20060137118A1 (en) * 2001-11-07 2006-06-29 The Procter & Gamble Company Complex motion toothbrush
USRE47468E1 (en) 2001-12-28 2019-07-02 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US7520571B2 (en) 2001-12-28 2009-04-21 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
USRE42985E1 (en) 2001-12-28 2011-12-06 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
USRE45141E1 (en) 2001-12-28 2014-09-23 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US20030159224A1 (en) * 2001-12-28 2003-08-28 Franz Fischer Toothbrush and process for producing such a toothbrush
US7174596B2 (en) 2001-12-28 2007-02-13 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US20060137120A1 (en) * 2001-12-28 2006-06-29 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US7458647B2 (en) 2001-12-28 2008-12-02 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US7445295B2 (en) 2001-12-28 2008-11-04 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US7354112B2 (en) 2001-12-28 2008-04-08 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
US7988238B2 (en) 2001-12-28 2011-08-02 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
USRE44346E1 (en) 2001-12-28 2013-07-09 Trisa Holding Ag Toothbrush and process for producing such a toothbrush
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