Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006543 | Absorbent pair refrigerant system | Charles M. Byrd, Dennis M. Pfister | 1999-12-28 |
| 5855121 | Absorbent pair refrigeration system | Charles M. Byrd, Dennis M. Pfister | 1999-01-05 |