Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613368 | Refrigeration apparatus and methods | Robert Burdick, Ronald A. Cole | 1997-03-25 |
| 5590539 | Refrigeration apparatus and methods | Robert O. Martin, Russell Gossen | 1997-01-07 |