Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352079 | High voltage ignition transformer | Timothy P. Sperry | 1982-09-28 |
| 4332141 | Defrost control system for refrigeration system | Robert T. Ruminsky, Stephen L. Serber, Rodger C. Wolfgram | 1982-06-01 |
| 4316365 | Defrost control system for refrigeration system | Robert T. Ruminsky, Stephen L. Serber, Rodger C. Wolfgram | 1982-02-23 |