| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Japan | 2 | |
| #6 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Transmission systems | |
| #2 | Transmission | |
| #3 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | French Douglas M | 5 |
| #2 | Hellman Robert R | 5 |
| #3 | Hellman Robert Richard | 2 |
| #4 | Robaato Richiyaado Heruman | 2 |
| #5 | Dagurasu Maachin Furenchi | 2 |
| #6 | French Douglas Martin | 1 |
| #7 | French Douglas Morton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4158812A | Radio transmitter with intermixed controls | |
| US4091328A | Remote control radio system | |
| US4072898A | Remote control radio system |