Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823554 | Vehicle thermoelectric cooling and heating food and drink appliance | Leonard Trachtenberg | 1989-04-25 |
| 4759190 | Vehicle thermoelectric cooling and heating food and drink appliance | Leonard Trachtenberg | 1988-07-26 |