Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757779 | Aerodynamic device with reversible flexible and lowerable concavity for the propulsion by the force of the wind | — | 1988-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757779 | Aerodynamic device with reversible flexible and lowerable concavity for the propulsion by the force of the wind | — | 1988-07-19 |