DK37438C
(en )
1927-05-09
Device for Making Vivid Images in Natural Colors.
DK37194C
(en )
1927-02-28
Device for Making Vivid Images in Natural Colors.
DK43209C
(en )
1930-10-20
Procedure for Reproducing Images in Natural Colors.
DK42990C
(en )
1930-09-15
Procedure for Copying Images in Natural Colors.
DK33775C
(en )
1924-10-20
Procedure for Producing Vivid Images in Their Natural Colors.
DK44889C
(en )
1931-11-23
Color Photography Procedure.
ES93343A1
(en )
1925-06-16
Improvements in natural color cinematography.
ES114251A1
(en )
1929-11-16
Improvements in color photography.
ES114252A1
(en )
1929-11-16
Improvements in color photography.
ES92684A3
(en )
1925-09-16
Procedure for obtaining photographs visible from above in natural colors by the three-color procedure.
DK36842C
(en )
1926-11-29
Device for Manufacturing Mutoscope Block Images.
ES108354A1
(en )
1928-08-16
Improvements in color photography.
ES92111A1
(en )
1925-04-16
Improvements in radio-receivers.
ES93199A1
(en )
1925-06-16
Improvements in radio-receivers.
ES93200A1
(en )
1925-06-16
Improvements in radio-receivers.
ES94007A1
(en )
1925-12-16
Improvements in roofing elements.
DK32210C
(en )
1923-09-03
Procedure for Making Color Photographs.
DK39925C
(en )
1929-03-18
Device for Providing Symmetry in Radiogoniometers.
DK37927C
(en )
1927-09-12
Spiseis Making Machine.
ES92316A1
(en )
1925-12-16
Improvements in parachutes.
ES95294A1
(en )
1926-01-16
Improvements in automatic photographic apparatus.
ES125212A1
(en )
1932-02-01
Improvements in color photography.
DK47102C
(en )
1933-03-20
Color filter.
ES92085A1
(en )
1925-04-16
Improvements in telephones.
ES92454A1
(en )
1925-05-16
Improvements in mechanical breakers.