Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301448 | Firearm safety system | John T. Petrick, Billy R. Bridgewater, Ronald E. Stilwell, Michael Gamache, Kenneth M. Maynard +2 more | 1994-04-12 |
| 5272828 | Combined cartridge magazine and power supply for a firearm | John T. Petrick, Evan H. Whildin, Sr. | 1993-12-28 |