Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347708 | Makeup air preconditioner for use with an air conditioning unit | — | 1982-09-07 |
| 4313313 | Apparatus and method for defrosting a heat exchanger of a refrigeration circuit | Ronald F. Chrostowski, James J. Del Toro | 1982-02-02 |