| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Photosensitive materials | |
| #2 | Cameras | |
| #3 | Photomechanical semiconductor production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hess Henry | 2 |
| #2 | Henry Hess | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB119854A | A New or Improved Color Photograph or Film and Method of Producing same. | |
| GB113617A | A New or Improved Colored Photographic Image and Method of Producing same. | |
| GB112769A | Improvements in or connected with Color Photography. | |
| US1330535A | Roll-film or similar camera for color photography | |
| US1300613A | Photographic-camera exposing mechanism. | |
| US1225246A | Color photography. |