Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263898 | Propeller blade retention system | Sidney B. Elston, III, Wu-Yang Tseng, Lawrence Butler | 1993-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5263898 | Propeller blade retention system | Sidney B. Elston, III, Wu-Yang Tseng, Lawrence Butler | 1993-11-23 |