Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673662 | Direct-acting hydraulic tappet with reduced aeration | — | 1997-10-07 |
| 5441235 | Titanium nitride coated valve and method for making | Sundaram L. Narasimhan, Stephen B. Caird | 1995-08-15 |