Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D454388 | Outdoor heat exchanger cabinet for an air conditioning unit | Karl J. Mutchnik, Stephen P. Bartlett | 2002-03-12 |
| D453559 | Solid top for an outdoor air conditioning unit | Karl J. Mutchnik, Stephen P. Bartlett | 2002-02-12 |
| 4484452 | Heat pump refrigerant charge control system | — | 1984-11-27 |