United States Patent 3358118
US Patent References:
Water heater
- - 1525503
Electric water heater
- - 1920685
Apparatus for heating liquids with fluid fuel
- - 2084287
Water heater conversion unit
- - 2459816
Device for softening and dispensing an edible spread
- - 3197076
Water heater
- - 1525503
Electric water heater
- - 1920685
Apparatus for heating liquids with fluid fuel
- - 2084287
Water heater conversion unit
- - 2459816
Device for softening and dispensing an edible spread
- - 3197076
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122/19.200, 122/494, 220/23.870, 219/535, 126/363.100