Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145637 | Firearm blast control system | John Hwang, Richard Brady Olsen | 2018-12-04 |
| 10066897 | Expansion barrel nut systems and methods for attaching a handguard to an upper receiver of a firearm | John Hwang, Richard Brady Olsen, Ronald Joseph Hertel | 2018-09-04 |