CH873A
(en )
1889-08-02
Diaphane hatching plate with rotating device for the production of autotypical negatives
FR506205A
(en )
1920-08-17
Photo film curing process
CH1428A
(en )
1889-12-07
Press for the production of artificial honeycombs
CH34765A
(en )
1906-07-15
Device for the production of photographic images with any background
CH888A
(en )
1889-08-02
Curve device for the production of patterns for footwear
FR512192A
(en )
1921-01-17
Special luminaire for various applications
CH30521A
(en )
1904-12-31
Aid for the production of postcards with the photographic reproduction of the buyers of the same
CH54340A
(en )
1912-05-17
Photographic copier with artificial light source and device for regulating the exposure times
CH74730A
(en )
1917-04-02
Device for making ropes
AT334098B
(en )
1976-12-27
PROCESS FOR THE PRODUCTION OF EMBOSSED FILMS OR FILM LAMINATES AND THIS FILM
FR494086A
(en )
1919-08-29
Temperature regulator for artificial incubator
CH57833A
(en )
1913-02-01
Device for regulating water turbines
CH37888A
(en )
1907-08-15
Device on photographic cameras for producing autotypical negatives
CH4577A
(en )
1892-06-30
Plaster wadding for the production of plastic bandages
CH47273A
(en )
1910-06-16
Device for the photographic reproduction of negative blueprints for the production of reduced printing plates
CH72071A
(en )
1916-03-16
Device for holding strips provided with inscriptions
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
FR494506A
(en )
1919-09-11
Automatic device for taking still or moving photographs as well as for printing positive films
FR347961A
(en )
1905-03-28
Photographic application on mother-of-pearl
CH75008A
(en )
1917-05-16
Device for saving heating material
CH73664A
(en )
1916-11-01
Device for saving heating material
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CH28221A
(en )
1904-04-15
Bathing apparatus for making photographic copies
CH72968A
(en )
1916-07-17
Device for attaching photographic apparatus etc. to sticks
AT25350B
(en )
1906-08-10
Process for the production of autotypical negatives.