Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718513 | Wheel driven air cushion vehicle | Seppo Korppoo | 1988-01-12 |
| 4591015 | Wheel propulsion device for air cushion vehicle | Seppo Korppoo | 1986-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718513 | Wheel driven air cushion vehicle | Seppo Korppoo | 1988-01-12 |
| 4591015 | Wheel propulsion device for air cushion vehicle | Seppo Korppoo | 1986-05-27 |