| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Measurement | |
| #4 | Computer technology | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ivanoff | 3 |
| #2 | Berman Leon | 3 |
| #3 | Roger Bataille | 3 |
| #4 | Vignaud Francois | 2 |
| #5 | Georges Honorat | 2 |
| #6 | Jasienski Marcel-Marie-Pierre | 2 |
| #7 | Frey Gaston | 1 |
| #8 | Carrigue | 1 |
| #9 | Dumas Christian | 1 |
| #10 | Beretzki Daniel-Rene | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE965788C | Method for overlay reception with gradual adjustment to reception frequencies | |
| GB681981A | Radio receiving set | |
| GB683942A | Improvements in apparatus for transmitting and receiving radio oscillations | |
| US2550519A | Radio transmitter-receiver station with automatic frequency control | |
| US2606285A | Double heterodyne radio receiver | |
| GB654355A | Improvements in frequency changing arrangements for radio transmitters |