Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154799 | Dual bypass filter cascade | Joseph H. Polly | 2021-10-26 |
| 10890115 | Low torque engine starting with dual spool power extraction with superposition gearbox | Joseph H. Polly | 2021-01-12 |