Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810507 | Open ignition breech plug and conversion system and method for muzzle-loading firearm | Mark D. HENDRICKS | 2017-11-07 |
| 9459071 | Open ignition breech plug and conversion system and method for muzzle-loading firearm | Mark D. HENDRICKS | 2016-10-04 |