Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479727 | Apparatus and method for evaluating the performance of a heat exchanger | Donald G. Rich, John Douglas Manning | 1984-10-30 |
| 4263787 | Expansion device with adjustable refrigerant throttling | — | 1981-04-28 |