| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | United Kingdom | 4 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonneau Edme-Etienne-Joseph | 7 |
| #2 | Prieur Yves-Paul-Gaston Le | 1 |
| #3 | Stapfer Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB238242A | Improvements in or relating to automatic controlling means for marine and air craft, torpedoes and the like | |
| GB264115A | Improvements in or relating to automatic controlling means for submarine and air craft, torpedoes and the like | |
| GB149312A | Apparatus for measuring angles in relation to a horizontal plane | |
| GB165170A | Apparatus for measuring angles in relation to the horizontal plane |