Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127734 | Internal combustion engine having guillotine sliding valve | — | 2012-03-06 |
| 4502839 | Vibration damping of rotor carrying liquid ring | James P. Maddox, Louis W. Drobnick, William E. Amend | 1985-03-05 |