Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8201540 | Internal combustion engine | — | 2012-06-19 |
| 7387103 | Internal combustion engine | — | 2008-06-17 |
| 7152572 | Internal combustion engine | — | 2006-12-26 |
| 6302067 | Internal combustion engine | — | 2001-10-16 |
| 6003487 | Internal combustion engine | — | 1999-12-21 |
| 5803026 | Internal combustion engine | CLIFFORD C. WILLIAMS | 1998-09-08 |
| 5560326 | Internal combustion engine | — | 1996-10-01 |
| 5406912 | Internal combustion engine | — | 1995-04-18 |
| 5398653 | Internal combustion engine | — | 1995-03-21 |
| 5117789 | Internal combustion engine | — | 1992-06-02 |
| 5060609 | Internal combustion engine | — | 1991-10-29 |
| 5009207 | Internal combustion engine | — | 1991-04-23 |
| 4898126 | Internal combustion engine with catalytic ignition | — | 1990-02-06 |
| 4759319 | Internal combustion engine | — | 1988-07-26 |