Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632334 | Heat recovery ventilator with room air defrosting feature | Grant W. Miles | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632334 | Heat recovery ventilator with room air defrosting feature | Grant W. Miles | 1997-05-27 |