Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752810 | Refrigeration unit temperature alarm using thermal properties of food to eliminate false alarms | Gregory Scott Lingerfelt | 2017-09-05 |
| 4458829 | Small beverage dispenser for commercial use | Irving E. Greenfield, Jr. | 1984-07-10 |
| 4366920 | Demand preparation soluble coffee urn | Irving E. Greenfield, Jr. | 1983-01-04 |
| 4245680 | Food service beverage dispenser | Irving E. Greenfield, Jr. | 1981-01-20 |