| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Austria | 2 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Photosensitive materials | |
| #2 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brewster Percy D | 5 |
| #2 | Miller Hoyt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1284869A | Photographic camera. | |
| US1277041A | Photographic camera. | |
| DE405962C | Process for converting silver images into dye images | |
| GB100098A | Improvements in or relating to Methods of Bleaching and Dyeing Photographic Images. | |
| AU1667615B | Improvements inthe art of color photography and colored motion picture photography | |
| US1214940A | Coloring or dyeing photographic images. | |
| US1253138A | Light-splitting device for color photography. | |
| US1145968A | Photographic film. | |
| US1277040A | Light-splitting device for color photography. |