DK43209C
(en )
1930-10-20
Procedure for Reproducing Images in Natural Colors.
DK42990C
(en )
1930-09-15
Procedure for Copying Images in Natural Colors.
DK42989C
(en )
1930-09-15
Procedure for Reproducing Transparent Color Photographs.
DK37194C
(en )
1927-02-28
Device for Making Vivid Images in Natural Colors.
DK37438C
(en )
1927-05-09
Device for Making Vivid Images in Natural Colors.
DK44357C
(en )
1931-07-13
Artificial Rink.
FR706128A
(en )
1931-06-19
Phonogram
DK41716C
(en )
1930-02-24
Procedure for Providing Visual Representations.
ES108354A1
(en )
1928-08-16
Improvements in color photography.
ES115651A1
(en )
1929-12-16
An improvement introduced in the removable plows.
ES123649A1
(en )
1931-08-16
Improvements introduced in the gasogens.
ES124655A1
(en )
1931-12-16
Improvements introduced in the scarifiers.
ES112804A1
(en )
1929-07-01
Improvements in coffins.
ES107918A1
(en )
1928-07-16
Improvements in the projectors.
DK50852C
(en )
1935-11-04
Procedure for Manufacturing Paintbrushes and Brushes.
ES117483A1
(en )
1930-05-01
Improvements in gasogens.
ES106730A1
(en )
1928-06-01
Improvements in gramophones.
ES120185A1
(en )
1930-11-16
Improvements in photography.
ES121252A1
(en )
1931-02-01
Improvements in the trails.
DK43113C
(en )
1930-10-06
Procedure for Making Transfer Images.
ES122370A1
(en )
1931-05-01
Improvements in radiators.
DK40269C
(en )
1929-06-10
Procedure and arrangement by which image films recorded in colored series are made suitable for direct display with natural color-like effects.
ES1045Y
(en )
1933-01-16
Improvements in constructive toys.
DK44889C
(en )
1931-11-23
Color Photography Procedure.
ES112661A1
(en )
1929-10-01
Improvements in automatic phonographs.