Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119494 | Multi-layer gasket assembly | Harish Lnu, Takashi Okano | 2018-11-06 |
| 10006403 | Cylinder head gasket | Takashi Okano | 2018-06-26 |
| 9127621 | Coatingless cylinder head gasket | Takshi Okano, Dan Vialard, Jim Zwick | 2015-09-08 |
| 8695986 | Cylinder head gasket assembly | Douglas Clemons, Emma Michelle Grissom | 2014-04-15 |
| 7827950 | Valve cover assembly and method of construction | Daniele DeFranceschi, Tom Swasey, Jim Zwick | 2010-11-09 |