Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199372 | Amphibious vehicle | Raymond G. Wall | 1993-04-06 |
| 4934300 | Vehicle propulsion apparatus and method of operation | Duncan H. Ferguson | 1990-06-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199372 | Amphibious vehicle | Raymond G. Wall | 1993-04-06 |
| 4934300 | Vehicle propulsion apparatus and method of operation | Duncan H. Ferguson | 1990-06-19 |