Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10001333 | Barrel latch safety pin | Charles K. Heizer, Thomas C. Heizer | 2018-06-19 |
| 9939223 | Pistol with short barrel and deep groove rifling | Charles K. Heizer, Thomas C. Heizer | 2018-04-10 |