Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7630288 | Phonograph tone arm mounting, decoupling, vertical tracking angle adjustment system, and vertical guide system | — | 2009-12-08 |
| 4967558 | Stabilized free-piston stirling cycle machine | S. Grant Emigh, Maurice A. White | 1990-11-06 |
| 4532766 | Stirling engine or heat pump having an improved seal | Maurice A. White, Stuart G. Emigh | 1985-08-06 |