| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Explosiveness missiles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barnett Bernard Thomas | 4 |
| #2 | Barnett Bernard T | 4 |
| #3 | Collins Anthony Joseph | 2 |
| #4 | Collins Anthony J | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB8332912D0 | Crossbow | |
| GB8332910D0 | Crossbow stock | |
| GB8332911D0 | Crossbows | |
| EP0113803A2 | Crossbow stock | |
| US4545358A | Crossbow | |
| US4565182A | Crossbow with rotatable magazine having open-sided channels |