Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755173 | Amphibious automobile with a sleek displacement hull in the substantial contour of a canoe | Dale A. Rorabaugh | 1998-05-26 |
| 5544607 | Moveable sponsons for hydrofoil watercraft, including both large entended-performance hydrofoil watercraft and leaping personal hydrofoil watercraft | Dale A. Rorabaugh | 1996-08-13 |