| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 25 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Measurement | |
| #3 | Basic communication technologies | |
| #4 | Control | |
| #5 | Basic materials chemistry | |
| #6 | Machines | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Optical systems | |
| #2 | Analysing materials | |
| #3 | Cameras | |
| #4 | Measuring distances | |
| #5 | Measuring light | |
| #6 | Traffic control systems | |
| #7 | Vehicle windows, roofs and doors | |
| #8 | Shaping of plastics | |
| #9 | Coating compositions | |
| #10 | Pulse technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Samuel Francois | 1 |
| #2 | Cojan Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1213145A | Apparatus for the detection of flaws in a transparent material | |
| GB651732A | Means for fastening prisms in optical instruments | |
| DE658565C | Method and device for producing multilayer, shatterproof glass |