Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737939 | Ultra low temperature split door freezer | Keith L. Wharton | 1998-04-14 |
| 5600966 | Ultra low temperature split door freezer | Keith L. Wharton | 1997-02-11 |
| 5477697 | Apparatus for limiting compressor discharge temperatures | Keith L. Wharton | 1995-12-26 |