FR756067A
(en )
1933-12-04
Cinematographic film projection device
FR654343A
(en )
1929-04-04
Packaging for film or photographic film
DK40876C
(en )
1929-10-07
Device for Reproduction of Cinematographic Films.
DK41813C
(en )
1930-03-10
Projection apparatus for Reproduction of embossed films.
DK41485C
(en )
1930-01-20
Procedure for Reproduction of Embossed Films.
DK48475C
(en )
1934-03-05
Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films.
DK44913C
(en )
1931-11-30
Procedure for Developing Cinematographic Films.
FR713234A
(en )
1931-10-23
photographic emulsion for talking films
FR617627A
(en )
1927-02-23
Projection apparatus for still views on cinematographic film employing either separate views or successive views on tapes
FR666816A
(en )
1929-10-07
Cinematographic film rewinder
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
DK36910C
(en )
1926-12-13
Device for Recording and Reproducing Cinematographic, Colored Films.
DK41904C
(en )
1930-03-24
Device for Projection Apparatus for Projection of Embossed Films.
FR645357A
(en )
1928-10-24
Cinematographic film
DK38727C
(en )
1928-04-30
Apparatus for the production of photographic or cinematographic footage.
FR680942A
(en )
1930-05-07
Sound cinematographic film
DK34939C
(en )
1925-08-31
Coil holder for cinematographic or photographic films.
DK38401C
(en )
1928-02-06
Procedure and Device for Projection and Reproduction of Net Filmed Films and the Like.
BE359045A
(en )
1929-04-30
Cinematographic film, particularly for reproduction
FR683707A
(en )
1930-06-17
Cinematographic film enhancements
FR623664A
(en )
1927-06-28
Film enhancements for photographic films
FR715057A
(en )
1931-11-25
Talking film reproduction apparatus
DK40650C
(en )
1929-08-19
Apparatus for Automatic Examination of Cinematographic Films.
FR678361A
(en )
1930-03-21
Cinematographic projectors for films without perforation
DK45311C
(en )
1932-02-29
Device for Contact Copying of Lens Screen Films.