Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912409 | Actuator displacement transducer having external flux excluding tube | Robert W. Redlich | 1990-03-27 |
| 4623808 | Electromechanical transducer particularly suitable for a linear alternator driven by a free-piston Stirling engine | William T. Beale | 1986-11-18 |