Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737801 | Fan module with rotatable vane ring power system | Richard K. Keller | 2020-08-11 |
| 10618667 | Fan module with adjustable pitch blades and power system | Richard K. Keller | 2020-04-14 |