CH73202A
(en )
1916-09-01
Device for producing photographic images on a paper tape
CH229437A
(en )
1943-10-31
Process for the production of a multicolor copy on multilayer photographic material.
CH73201A
(en )
1916-09-01
Device for reproducing photographic images on a paper tape
CH59910A
(en )
1913-06-02
Process for producing colored photographic images
CH56815A
(en )
1912-12-02
Device for making ribbons from threads
CA170512A
(en )
1916-07-04
Photographic printing apparatus
CA174521A
(en )
1917-01-16
Photographic printing apparatus
CH71202A
(en )
1915-12-01
Process for making photographic images
CH74730A
(en )
1917-04-02
Device for making ropes
CH61444A
(en )
1913-09-16
Device for making impressions
CA137917A
(en )
1912-01-23
Apparatus for producing photographic prints
CH72968A
(en )
1916-07-17
Device for attaching photographic apparatus etc. to sticks
CH47273A
(en )
1910-06-16
Device for the photographic reproduction of negative blueprints for the production of reduced printing plates
CA172865A
(en )
1916-10-31
Photographic developing apparatus
AT46656B
(en )
1911-02-25
Process for making color photographic prints on paper.
CH53092A
(en )
1912-01-16
Process for the production of combined photographic images
CA142609A
(en )
1912-09-03
Photographic printing apparatus
FR502127A
(en )
1920-05-05
Aviation propeller improvements
CA181781A
(en )
1918-01-22
Paper marking apparatus
CH58220A
(en )
1913-03-01
Device for the production of punched tape for setting excluded lines of text
CH70160A
(en )
1915-09-01
Element for making a printing set
CA174713A
(en )
1917-01-30
Film rewinding apparatus
CH58935A
(en )
1913-04-16
Color photography apparatus
CA148115A
(en )
1913-05-20
Photographic apparatus
CA135870A
(en )
1911-10-03
Photographic apparatus