Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570730 | Spill resistant fuel cap and ventilation system | Douglas A. Keehn, Jr., Frank B. Ousley, II | 1996-11-05 |
| 5505644 | Submerged marine exhaust system | Frank B. Ousley, II, Douglas A. Keehn, Jr., John R. Hamm | 1996-04-09 |