Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862984 | Amphibious air cushion vehicle | Stephen L. Oshust | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862984 | Amphibious air cushion vehicle | Stephen L. Oshust | 1989-09-05 |