Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367220 | Engine oil leak test method with EGR valve leak offset | Chuck Hoke, Brent C. Rankin | 2008-05-06 |
| 7347087 | Engine oil leak test system and method | Brent C. Rankin, Chuck Hoke | 2008-03-25 |