Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10234045 | Three position closed center poppet valve | — | 2019-03-19 |
| 9404523 | Bolt retention apparatus and method | Anthony P. Copper | 2016-08-02 |
| 8641341 | Bolt retention apparatus and method | Anthony P. Copper | 2014-02-04 |