Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694931 | Internal combustion engine | — | 2004-02-24 |
| 6526927 | Internal combustion engine | — | 2003-03-04 |
| D349121 | Sanding machine | W. Steven Holley, Robert Dean Donovan, William G. Pittman, Richard Hutcheson | 1994-07-26 |
| 4492188 | Internal combustion engine | Edward B. Palmer | 1985-01-08 |