Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885422 | Check valve having a friction free replaceable valve insert check assembly | Steven Driscoll, Brian Strait, Jason Marquardt | 2018-02-06 |
| 6152171 | Check valve | DeLaun T. Messick | 2000-11-28 |
| 6039073 | Check valve | DeLaun T. Messick | 2000-03-21 |