Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353220 | Resonant piston compressor having improved stroke control for load-following electric heat pumps and the like | Peter W. Curwen | 1982-10-12 |
| 4345442 | Control system for resonant free-piston variable stroke compressor for load-following electric heat pumps and the like | — | 1982-08-24 |