US 4,537,044 · Granted 1985-08-27
Food storage container
A picnic or similar type food storage container that uses a selected appropriate source for either heat or cold input to the food, in which the source is properly below the food in the heating mode, and above the food in the cooling mode, to thereby provide an enhanced temperature control over the food.
Patent details
- Publication number
- US 4,537,044
- Filing date
- 1985-01-11
- Grant date
- 1985-08-27
- Assignee
- David Putnam
- Inventor(s)
- PUTNAM; DAVID
- CPC class
- F25D3/08
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