Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9175582 | Variable valve lift diagnostic techniques based on camshaft speed | Zhijian Wu, Brian Gebby, Ethan E Bayer, Kevin V Rafalo, Julian Daniel John +1 more | 2015-11-03 |
| 7044099 | Cylinder head gasket with integral filter element | Michael LeFebvre | 2006-05-16 |