Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284419 | Propeller with blades which can be twisted | — | 1994-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284419 | Propeller with blades which can be twisted | — | 1994-02-08 |