CH26260A
(en )
1903-08-15
Ruler with facility for drawing lines at specific intervals
CH26824A
(en )
1903-10-31
Device for saturating liquids with gases
CH34718A
(en )
1906-05-31
Device for stopping foreign bodies floating in rivers
CH25143A
(en )
1903-03-31
Prismatic drawing ruler with handle
CH27172A
(en )
1903-12-15
Device to exclude type lines
CH26959A
(en )
1903-11-15
Device for impregnating liquids with carbonic acid
CH39160A
(en )
1908-02-01
Spirit level with device for measuring angles
CH25883A
(en )
1903-07-15
Device on drawing pens with a movable tongue to maintain the line thickness
CH27060A
(en )
1903-11-30
Device for impregnating liquids with gas
CH27853A
(en )
1904-02-29
Device for trimming linoleum
CH26309A
(en )
1903-08-15
Device for lifting liquids
GB190206523A
(en )
1902-06-05
Improvements in Bevels and the like for Marking Rafters and for other Purposes
CH26005A
(en )
1903-07-15
Ruler
CH40337A
(en )
1908-07-01
Device for measuring fluids in lines
CH24027A
(en )
1903-01-31
Apparatus for measuring linear, relatively small movements
FR324289A
(en )
1903-03-27
protractor
CH12647A
(en )
1897-01-31
Ruler with ruler
CH699E
(en )
1908-03-16
Station detector with a device for displaying advertisements
CH33289A
(en )
1905-11-30
Station detector with a device for displaying advertisements
CH20099A
(en )
1901-02-15
Play mat with marking device
CH34512A
(en )
1906-04-30
Device for holding umbrellas in various positions
FR4788E
(en )
1905-10-16
Improvements in hosiery trades
CH20355A
(en )
1901-01-31
Flexible ruler
CH69008A
(en )
1915-05-01
Ruler with device for learning to write
CH26500A
(en )
1903-09-15
Apparatus for automatically rolling up wall maps, with a device for determining the same in the unwound state