Title:
Circulating water heater
United States Patent 2266216

Inventors:
Kimberlin, Carna M.
Publication Date:
12/16/1941
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Assignee:
Kimberlin, Carna M.
Primary Class:
Other Classes:
392/497, 219/208
International Classes:
F02N17/06; H05B3/06; F02N17/00