Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5967120 | Returnless fuel delivery system | Robert Eugene Wattleworth, Glen Paul Langenderfer, Alvin Powell, James Witherspoon Mitchell, Jr. | 1999-10-19 | $29,825,000 |
| 5673670 | Returnless fuel delivery system | Alvin Powell, James Witherspoon Mitchell, Jr., Robert Eugene Wattleworth, Kyle L. Petrich | 1997-10-07 | $75,289,000 |