| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Mountings for cannons and pistols | |
| #2 | Pistols and rifles | |
| #3 | Internal-combustion piston engines | |
| #4 | Machines | |
| #5 | Ammunition fuzes | |
| #6 | Weapon sights |
| # | Name | Total Patents |
|---|---|---|
| #1 | William Patchett George | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2795880A | Cartridge magazine with spring guide means | |
| US2510831A | Cartridge magazine for automatic firearms | |
| US2426563A | Recoil mechanism for automatic firearms | |
| US2139457A | Internal combustion engine |