FR506205A
(en )
1920-08-17
Photo film curing process
DK22031C
(en )
1917-03-26
Apparatus for developing films.
DK22424C
(en )
1917-09-03
Apparatus for developing films.
FR492708A
(en )
1919-07-17
Photographic films
DK22827C
(en )
1918-02-18
Apparatus for the Manufacture of Margarine.
DK28110C
(en )
1921-08-01
Apparatus for the manufacture of air rings.
DK21807C
(en )
1917-01-08
Apparatus for the manufacture of emulsions.
DK25936C
(en )
1920-05-10
Apparatus for the Formation of Graphic Representations.
DK13881C
(en )
1910-11-14
Apparatus for the production of cinematographic films.
DK27646C
(en )
1921-05-23
Apparatus for the manufacture of fertilizers.
DK23358C
(en )
1918-08-12
Apparatus for the Development of Acetylene.
CA186045A
(en )
1918-08-13
Photographic film
CA188938A
(en )
1919-03-04
Photographic film
DK22119C
(en )
1917-05-07
Apparatus for Crystallization of Margarine.
DK26495C
(en )
1920-08-23
Apparatus for Preventing Theft of Outerwear.
CH81460A
(en )
1919-06-16
High speed photographic copier
DK18449C
(en )
1914-02-09
Apparatus for the production of cinematographic images which appear to be plastic.
CA186708A
(en )
1918-09-24
Apparatus for developing photographic negatives
DK21022C
(en )
1916-02-21
Procedure and Apparatus for the Production of Cinematographic Films in Color.
FR530775A
(en )
1921-12-31
Cinematographic projection device
DK22415C
(en )
1917-09-03
Apparatus for Measuring Liquids.
CA186826A
(en )
1918-10-01
Process of colouring cinematographic films
FR497471A
(en )
1919-12-06
Cinematographic process
CA187380A
(en )
1918-11-12
Stereopticon apparatus
DK31633C
(en )
1923-04-30
Apparatus for Displaying Colored Vivid Images.