| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | United States | 3 | |
| #3 | Austria | 2 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 2 | |
| #6 | Germany | 2 | |
| #7 | Denmark | 2 | |
| #8 | Spain | 2 | |
| #9 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Photosensitive materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pont Max Bopp Du | 2 |
| #2 | Kelley William V D | 2 |
| #3 | Corp Max B Du Pont Vitacolor | 2 |
| #4 | Du Pont Max B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB360109A | Color photography | |
| ES111680A1 | A procedure of color photography. | |
| ES111415A1 | Improvements in the devices for the projection of cinematographic tapes in colors. | |
| US1709341A | Apparatus for projecting motion pictures in color | |
| US1810180A | Color photography | |
| US1712439A | Color photograph and method of producing same | |
| CA294507A | Colour photography | |
| CA294506A | Apparatus for projecting motion pictures in colours |