Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605550 | Firearm quick release pin with arm extension | Charles K. Heizer, Thomas C. Heizer, John C. Robinson | 2020-03-31 |
| 10054381 | Slide assembly quick release pin with arm extension | Charles K. Heizer, Thomas C. Heizer, John C. Robinson | 2018-08-21 |
| 9175918 | Multiple barrel sequential firing mechanism | Charles K. Heizer, Thomas C. Heizer, Timothy Wayne Groves | 2015-11-03 |
| D709580 | Pistol | Charles K. Heizer, Thomas C. Heizer, Hedy H. Gahn | 2014-07-22 |
| D707780 | Pistol | Charles K. Heizer, Thomas C. Heizer, Hedy H. Gahn | 2014-06-24 |