Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342871 | Clear hydrophilic coating for heat exchanger fins | David D. Clinnin, Ronald J. Lewarchik | 1994-08-30 |
| 5211989 | Clear hydrophilic coating for heat exchanger fins | David D. Clinnin, Ronald J. Lewarchik | 1993-05-18 |