Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353828 | Valve construction and method of making the same | — | 1994-10-11 |
| 4912939 | Making ice in a refrigerator | George Obermann | 1990-04-03 |
| 4896513 | Making ice in a refrigerator | — | 1990-01-30 |
| 4649362 | Thermostat | Donald W. Fries | 1987-03-10 |