Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290924 | Non-boil boiling point indicator | — | 2007-11-06 |
| 5671706 | Variable valve timing | Timothy Mark Lancefield | 1997-09-30 |
| 5033424 | Dual tract induction | — | 1991-07-23 |
| 5031584 | Variable lift valves | — | 1991-07-16 |
| 4763615 | Desmodromic valve system | — | 1988-08-16 |
| 4723517 | Cam drive mechanism | — | 1988-02-09 |
| 4694789 | Variable valve timing | — | 1987-09-22 |