Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894860 | Proportional pressure control solenoid valve | Dale Lee Baldauf, Hayse William Warrum, Jr., Viswanath Seetharaman | 1999-04-20 |
| 5482622 | Filter for installation in an annular groove | Kris R. Stark, Stephen L. Hardin, William J. Chafin | 1996-01-09 |
| 5434361 | Thermoplastic terminal encapsulation method and apparatus | William J. Chafin, David M. Kroll | 1995-07-18 |
| 5372665 | Thermoplastic terminal encapsulation method and apparatus | William J. Chafin, David M. Kroll | 1994-12-13 |