Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864106 | Valve seat apparatus having positive retention for use with fluid control devices | Tony A. Durant, Samuel Harold Larsen | 2014-10-21 |
| 7197407 | Fuel tank level monitoring system and method | David E. Woollums, Jeffrey L. Cole, Richard J. Vanderah | 2007-03-27 |
| 6736162 | Pressure relief valve with improved repairability | Jeffrey L. Cole, Thomas Bethell Oliver | 2004-05-18 |
| 6668665 | Gas level monitoring system and gas flow rate sensor used therein | John W. Duffy, Joe W. McCarty, Richard J. Vanderah | 2003-12-30 |