Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931865 | Method and apparatus for determining coolant temperature rationally in a motor vehicle | John F. Van Gilder, Randall L. Gallagher | 2005-08-23 |
| 6604007 | Test method for verifying correct matching of an exhaust gas oxygen sensor and a vehicle engine | Martin Leven | 2003-08-05 |
| 4974866 | Trailer hitch guide for step-type bumpers | — | 1990-12-04 |