Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059438 | Hub assembly with grease lubricated roller bearing and tension-torsion strap | Richard E. Rauber, Frank B. Stamps, David A. Popelka, Patrick R. Tisdale | 2018-08-28 |
| 9878782 | Stiff-in-plane rotor configuration | Frank B. Stamps, Patrick R. Tisdale, Richard E. Rauber | 2018-01-30 |