Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044809 | Method for controlling a vehicle engine coolant fan | Erik Widdifield | 2000-04-04 |
| 5687687 | Oil level sensor system | Jimmie J. Trueblood, Lynn S. Zopff, Bradly Glen Duffer | 1997-11-18 |
| 5680309 | Control system for automatic resumption of speed control after gear change | Peter Rauznitz, Jimmie J. Trueblood | 1997-10-21 |
| 5634446 | Cruise control based retarder control | Peter Rauznitz, Jimmie J. Trueblood, Charles E. Goode | 1997-06-03 |