Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742687 | Dual cooling/heating process and composition | Edward A. Reid, Jr., F. Bert Cook, Edgar M. Purvis, Jr. | 1988-05-10 |
| 4646541 | Absorption refrigeration and heat pump system | Edward A. Reid, Jr., F. Bert Cook, Edward M. Winter, Edgar M. Purvis, Jr. | 1987-03-03 |