DK46293C
(en )
1932-10-10
Procedure for the Production of Cinematographic Films.
CH209179A
(en )
1940-03-31
Process for making photographic dye images.
DK39748C
(en )
1929-01-28
Procedure for the production of fluted films for the production of photographic images in natural colors.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
SU8428A1
(en )
1929-03-30
Film projector shutter
DK58494C
(en )
1941-03-10
Projection apparatus for color film.
ES115254A1
(en )
1929-11-16
Procedure to obtain the projection in colors of photographs or cinematographic films.
DK34955C
(en )
1925-09-07
Procedure for Making Films for Live Images.
DK44181C
(en )
1931-06-01
Procedure for the production of so-called tone films with color images.
DK43710C
(en )
1931-02-16
Fixed color filter for color photography or image projection with embossed films.
DK38727C
(en )
1928-04-30
Apparatus for the production of photographic or cinematographic footage.
CA293921A
(en )
1929-10-15
Photographic film
FR615932A
(en )
1927-01-19
Ultra-sensitive x-ray films
CA265384A
(en )
1926-10-26
Photographic film manufacture
DK41113C
(en )
1929-11-18
Film for Color Photography.
ES110911A1
(en )
1929-02-16
The application of the trichrome filter and the panchromatic film for the printing and projection of color films.
DK38889C
(en )
1928-06-18
Method of Making Plates or Films for Use in Color Photography or Color Cinematography.
CA291811A
(en )
1929-07-30
Colour photograph film
DK42838C
(en )
1930-08-25
Procedure for Making Tone Films.
ES123499A1
(en )
1931-08-01
Procedure for the preparation of photographic and cinematographic positives in colors.
DK38384C
(en )
1928-01-30
Color grid film and method and apparatus for producing the same.
ES93280A1
(en )
1925-09-16
Improvements in apparatus for the projection of cinematographic films.
GR2487B
(en )
1929-10-11
PERFECTIONS IN OR IN RELATION TO PHOTOGRAPHIC MEMBRANE (FILM).
ES121931A1
(en )
1931-03-16
Improvements in the production of photographic transparencies for printing.
DK42990C
(en )
1930-09-15
Procedure for Copying Images in Natural Colors.