Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967120 | Returnless fuel delivery system | Robert Eugene Wattleworth, Glen Paul Langenderfer, Alvin Powell, James Witherspoon Mitchell, Jr. | 1999-10-19 |
| 5673670 | Returnless fuel delivery system | Alvin Powell, James Witherspoon Mitchell, Jr., Robert Eugene Wattleworth, Kyle L. Petrich | 1997-10-07 |