Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570590 | Refrigerant reclaiming method and system | Donald W. Strout, Thomas L. Crandall | 1996-11-05 |
| 5533358 | Refrigerant recovering system | Thomas L. Crandall, Donald W. Strout | 1996-07-09 |