Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564337 | Aircraft propeller | Herbert Zimmer, Reinhard Hoffmann, Petr Hora, Franz X. Wortmann | 1986-01-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564337 | Aircraft propeller | Herbert Zimmer, Reinhard Hoffmann, Petr Hora, Franz X. Wortmann | 1986-01-14 |