Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960069 | Adjustable gas block method, system and device for a gas operation firearm | Robert Soong, Gary Coffman | 2015-02-24 |
| 8596185 | Adjustable gas block method, system and device for a gas operation firearm | Robert Soong, Gary Coffman | 2013-12-03 |