Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411310 | Heat exchange apparatus having thin film flexible sheets | Clifford R. Perry, Roger L. Shannon | 1983-10-25 |
| 4258784 | Heat exchange apparatus and method of utilizing the same | Clifford R. Perry | 1981-03-31 |