Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8348017 | Reduced gulp fluid reservoir | Larry W. Spires | 2013-01-08 |
| 8146711 | Reduced gulp fluid reservoir | Larry W. Spires | 2012-04-03 |
| 5813674 | Reverse pressure tolerant seal means | Kurtis D. Kleis, Michael A. Mike | 1998-09-29 |