| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Germany | 3 | |
| #3 | Belgium | 1 | |
| #4 | Canada | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Alloys | |
| #3 | Treatment of glass | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Printing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonvalot P | 1 |
| #2 | Lebel Pierre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1347315A | Television picture tubes | |
| FR2050527A5 | Colour television tube screen | |
| FR2041664A5 | Colour television receiving tube |