Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8943948 | Firearm having an indirect gas operating system | Grzegorz Kuczynko | 2015-02-03 |
| 7934447 | Firearm having an indirect gas operating system | Grzegorz Kuczynko | 2011-05-03 |
| 7610844 | Firearm having an indirect gas operating system | Grzegorz Kuczynko | 2009-11-03 |