| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Television | |
| #3 | Processing photographic materials | |
| #4 | Photosensitive materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bocquel Rene | 1 |
| #2 | France Henri Georges De | 1 |
| #3 | Bocquel Rene Georges | 1 |
| #4 | Bocquel R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB662238A | Improvements in devices for cinematographic recording | |
| GB691523A | Improvements in systems for the recording of motion pictures | |
| CA472851A | Devices for the recording of motion pictures |