| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Belgium | 5 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Weapons | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Unspecified technologies | |
| #3 | Weapon sights | |
| #4 | Doors and windows | |
| #5 | Nails | |
| #6 | Ladders |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jean Vilbajo | 1 |
| #2 | Vilbajo Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3056352A | Ejectable hinged sight for projectiles fitted to the muzzle of firearms |