Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477228 | Injection molded propeller | Eugene J. Gratz, Steven E. Potter, Royal A. Power | 1984-10-16 |
| 4414171 | Method of making an injection molded propeller | Eugene J. Gratz, Steven E. Potter, Royal A. Power | 1983-11-08 |