Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36901 | Wheel-retraction apparatus and method for amphibious vehicle | Terence James Roycroft | 2000-10-03 |
| 5531179 | Wheel-retraction apparatus and method for amphibious vehicle | Terence James Roycroft | 1996-07-02 |