DK46293C
(en )
1932-10-10
Procedure for the Production of Cinematographic Films.
DK40734C
(en )
1929-09-09
Mirror Device for Selection of Colors for the Production of Colored Cinematographic Images.
CH113393A
(en )
1926-01-02
Photographic lens.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
DK44889C
(en )
1931-11-23
Color Photography Procedure.
DK41113C
(en )
1929-11-18
Film for Color Photography.
FR645861A
(en )
1928-11-03
light projection screen
AT110347B
(en )
1928-08-10
Lens shutter.
ES111680A1
(en )
1929-07-16
A procedure of color photography.
DK43941C
(en )
1931-03-30
Photographic Lens Lens.
DK44899C
(en )
1931-11-23
Photographic Lens Combination.
DK39928C
(en )
1929-03-18
Procedure for the production of cover colors.
DK48369C
(en )
1934-02-12
Projection hole mirror.
DK43008C
(en )
1930-09-22
Procedure for the production of raster negatives.
FR671331A
(en )
1929-12-11
Light projectors
DK39803C
(en )
1929-02-11
Procedure for the production of blue dyes.
ES111415A1
(en )
1929-04-16
Improvements in the devices for the projection of cinematographic tapes in colors.
DK33914C
(en )
1924-11-24
Projector for Color Cinematography.
DK32210C
(en )
1923-09-03
Procedure for Making Color Photographs.
CH145571A
(en )
1931-02-28
Image changer.
DK44181C
(en )
1931-06-01
Procedure for the production of so-called tone films with color images.
DK42989C
(en )
1930-09-15
Procedure for Reproducing Transparent Color Photographs.
ES113880A1
(en )
1929-10-16
An improved procedure for color photography.
DK46065C
(en )
1932-08-15
Procedure for the manufacture of plastics.
ES112339A1
(en )
1929-07-16
Procedure for photography and color cinematography.