Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834169 | Apparatus for controlling a refrigerator in low ambient temperature conditions | Charles G. Fellwock, Michael D. Thieneman | 1989-05-30 |
| 4821528 | Fault tolerant control for a refrigerator | — | 1989-04-18 |