Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152171 | Check valve | Mark A. Novak | 2000-11-28 |
| 6039073 | Check valve | Mark A. Novak | 2000-03-21 |
| 5033503 | Valve and pipe coupling assembly | Richard Horton, Thomas Jensen | 1991-07-23 |