Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976737 | Check valve with secondary backflow seal | Eugene Mason, Raymond P. Feith | 2024-05-07 |
| 11828375 | Check valve with flash seal | Raymond P. Feith, Eugene Mason | 2023-11-28 |
| 11624448 | Check valve with flash seal | Raymond P. Feith, Eugene Mason | 2023-04-11 |
| 11248719 | Check valve with secondary backflow seal | Eugene Mason, Raymond P. Feith | 2022-02-15 |
| 11193601 | Check valve with flash seal | Raymond P. Feith, Eugene Mason | 2021-12-07 |