Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332141 | Defrost control system for refrigeration system | Dale A. Mueller, Robert T. Ruminsky, Rodger C. Wolfgram | 1982-06-01 |
| 4316365 | Defrost control system for refrigeration system | Dale A. Mueller, Robert T. Ruminsky, Rodger C. Wolfgram | 1982-02-23 |