| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Canada | 2 | |
| #3 | Denmark | 2 | |
| #4 | Austria | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Photosensitive materials | |
| #3 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Audibert Maurice | 9 |
| #2 | Maurice Audibert | 2 |
| #3 | Berthon Rodolphe | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB191317023A | Improvements in or relating to Cinematographic Apparatus. | |
| CA151661A | Photographic apparatus | |
| US1124253A | Lens system for color photography and for projection. | |
| CA138783A | Cinematographic view |