| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tatz Abraham | 6 |
| #2 | Battle Frederick Hugh Jr | 4 |
| #3 | Battle Frederick Hugh Jun | 2 |
| #4 | Battle Frederick H Jr | 1 |
| #5 | Barlam Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB940509A | Aircraft radio landing system |