Range boiler or storage tank for domestic hot water and domestic hot water heaters
United States Patent 2232366

Inventors:
Chappell, Eugene L.
Publication Date:
02/18/1941
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Assignee:
Chappell, Eugene L.
Primary Class:
220/567.300
Other Classes:
122/19.200, 285/55, 122/234, 220/288, 126/361.100
International Classes:
F16L41/08; F24H1/18; F24H9/12