Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8511269 | Camshaft system for internal combustion engine | Paul Thomas Reinhart, Raymond Gregory Puhl | 2013-08-20 |
| 8151758 | Bearing system for automotive engine | Ben Xuehai Ni, Calvin Lee Brower | 2012-04-10 |
| 4896635 | Friction reducing rocker arm construction | Pierre A. Willermet | 1990-01-30 |
| 4867113 | Reduced friction engine tappet construction | Pierre A. Willermet | 1989-09-19 |