FR1078721A - Appareil de projection de lumière - Google Patents

Appareil de projection de lumière

Info

Publication number
FR1078721A
FR1078721A FR1078721DA FR1078721A FR 1078721 A FR1078721 A FR 1078721A FR 1078721D A FR1078721D A FR 1078721DA FR 1078721 A FR1078721 A FR 1078721A
Authority
FR
France
Prior art keywords
projection device
light projection
light
projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ritter Co
Ritter Co Inc
Original Assignee
Ritter Co
Ritter Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ritter Co, Ritter Co Inc filed Critical Ritter Co
Application granted granted Critical
Publication of FR1078721A publication Critical patent/FR1078721A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR1078721D 1952-10-06 1953-04-24 Appareil de projection de lumière Expired FR1078721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1078721XA 1952-10-06 1952-10-06

Publications (1)

Publication Number Publication Date
FR1078721A true FR1078721A (fr) 1954-11-23

Family

ID=22318911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1078721D Expired FR1078721A (fr) 1952-10-06 1953-04-24 Appareil de projection de lumière

Country Status (1)

Country Link
FR (1) FR1078721A (fr)

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