Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605550 | Firearm quick release pin with arm extension | Thomas C. Heizer, John C. Robinson, Jacob Wayne Mahn | 2020-03-31 |
| 10054381 | Slide assembly quick release pin with arm extension | Thomas C. Heizer, John C. Robinson, Jacob Wayne Mahn | 2018-08-21 |
| 10001333 | Barrel latch safety pin | Thomas C. Heizer, Hedy H. Gahn | 2018-06-19 |
| 9939223 | Pistol with short barrel and deep groove rifling | Thomas C. Heizer, Hedy H. Gahn | 2018-04-10 |
| 9777980 | Compact semi-automatic firearm | — | 2017-10-03 |
| 9518791 | Cartridge extractor | Thomas C. Heizer, Hedy H. Gahn | 2016-12-13 |
| 9435599 | Modular linear firing system | Thomas C. Heizer, Hedy H. Gahn | 2016-09-06 |
| 9335110 | Elongated reciprocating trigger with roller bearings | Thomas C. Heizer, Hedy H. Gahn | 2016-05-10 |
| 9175918 | Multiple barrel sequential firing mechanism | Thomas C. Heizer, Timothy Wayne Groves, Jacob Wayne Mahn | 2015-11-03 |
| 9163890 | Trigger mechanism | — | 2015-10-20 |
| 9103626 | Firearm having ammunition compartment with H-clip and quick-change barrel with variable diameter bore and optional takedown pin | Thomas C. Heizer | 2015-08-11 |
| D732625 | Semi-automatic pistol | — | 2015-06-23 |
| 8997390 | Trigger mechanism with cam surface sear | — | 2015-04-07 |
| 8915174 | Progessively ported gun barrel | Thomas C. Heizer | 2014-12-23 |
| 8915003 | Ammunition compartment with strip clip | Raymond B. Kohout | 2014-12-23 |
| D709580 | Pistol | Thomas C. Heizer, Hedy H. Gahn, Jacob Wayne Mahn | 2014-07-22 |
| D707780 | Pistol | Thomas C. Heizer, Hedy H. Gahn, Jacob Wayne Mahn | 2014-06-24 |
| 7008201 | Gapless screw rotor device | — | 2006-03-07 |
| 6913452 | Offset thread screw rotor device | — | 2005-07-05 |
| 6719547 | Offset thread screw rotor device | — | 2004-04-13 |
| 6719548 | Twin screw rotor device | — | 2004-04-13 |
| 6599112 | Offset thread screw rotor device | — | 2003-07-29 |