| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Measurement | |
| #3 | Electrical machinery and energy | |
| #4 | Medical technology | |
| #5 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Optical systems | |
| #3 | Cameras | |
| #4 | Non-portable lighting devices | |
| #5 | Diagnosis and surgery | |
| #6 | Targets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guillant Andre | 1 |
| #2 | Morelle Jules Louis Eugene | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1225813B | Suction biopsy probe | |
| DE1174149B | Device for automatic adjustment of the lens aperture in a camera with exposure meter | |
| GB178415A | Improvements in or relating to binocular field glasses |