Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632221 | Amphibious vehicle having retractable ground wheels | Myron U. Trenne | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632221 | Amphibious vehicle having retractable ground wheels | Myron U. Trenne | 1997-05-27 |