Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820345 | Split rotor shaft driven lift fan | Rollin George Giffin, Lawrence W. Dunbar | 1998-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820345 | Split rotor shaft driven lift fan | Rollin George Giffin, Lawrence W. Dunbar | 1998-10-13 |