Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271678 | Liquid refrigeration system for an enclosure temperature controlled outdoor cooling or pre-conditioning | — | 1981-06-09 |
| 4270362 | Control system for an air conditioning system having supplementary, ambient derived cooling | Frederick N. Lancia, Albert O. Kesterson, Edward K. Feeney | 1981-06-02 |