Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479485 | Power efficiency for very high temperature solar thermal cavity receivers | Robert R. Hale | 1984-10-30 |
| 4433672 | Solar energy modulator | Robert R. Hale | 1984-02-28 |
| 4255929 | Hot gas engine with dual crankshafts | Robert A. Administrator of the National Aeronautics and Space Frosch | 1981-03-17 |
| 4240256 | Phase-angle controller for stirling engines | Robert A. Administrator of the National Aeronautics and Space Frosch | 1980-12-23 |