| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Furniture and games | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Targets | |
| #2 | Buttons, pins and buckles | |
| #3 | Physical training equipment | |
| #4 | Electrically-conductive connections | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Darrell George H | 11 |
| #2 | Channing Charles E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3304928A | Rotary trap magazine with two-stage target feed | |
| US3182372A | Separable fastener | |
| US3108582A | Target throwing trap | |
| US2919491A | Level indicating putter | |
| US2844805A | Plug locking and protecting device | |
| US2711726A | Target throwing machine | |
| US2531613A | Target-throwing machine | |
| US2245258A | Trap | |
| CA532252A | Target throwing device | |
| CA731957A | Target throwing trap | |
| CA629472A | Plug locking and protecting device |