Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441901 | Firearm muzzle brake | Ronald T Harrison, Jeffrey A. Robinson | 2016-09-13 |
| D746401 | Firearm muzzle brake | Ronald T Harrison, Jeffrey A. Robinson | 2015-12-29 |
| 9134084 | Firearm muzzle brake | Ronald T Harrison, Jeffrey A. Robinson | 2015-09-15 |