Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378605 | Heat exchanger with transpired, highly porous fins | Keith Gawlik | 2002-04-30 |
| 5692491 | Unglazed transpired solar collector having a low thermal-conductance absorber | Craig B. Christensen, Keith Gawlik | 1997-12-02 |