Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672594 | High temperature coating of exhaust components | — | 2004-01-06 |
| 6532737 | Exhaust port gasket with cylinder-specific electronic oxygen sensors | Ernest Oxenknecht | 2003-03-18 |
| 5921558 | High recovery combustion seal gasket | — | 1999-07-13 |
| 5803462 | MLS gasket with yieldable combustion seal | — | 1998-09-08 |
| 4480844 | Cylinder head gasket with variable thickness fire ring | — | 1984-11-06 |