| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 18 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Optics | |
| #3 | Consumer goods | |
| #4 | Electrical machinery and energy | |
| #5 | Basic communication technologies | |
| #6 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Stereophonic systems | |
| #2 | Television | |
| #3 | Special information storage | |
| #4 | Cameras | |
| #5 | Optical systems | |
| #6 | Special musical instruments | |
| #7 | Lighting device details | |
| #8 | Amplification control | |
| #9 | Data recognition and presentation | |
| #10 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bachman William S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2043735A1 | Reproducing coloured images from black - and white film | |
| US3622163A | Phonograph record player |