Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476792 | Evaporative emissions leak tester and leak test method | Raymond D. Gearhart, Louis Bolt | 2016-10-25 |
| 6575148 | Humidity compensation system for an internal combustion engine | David Dunnuck | 2003-06-10 |