Air heating and circulating fireplace
United States Patent 1727228

Inventors:
Claybaugh, Ralph W.
Patrick, George D.
Publication Date:
09/03/1929
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Assignee:
Victor, Patrick H.
Primary Class:
126/529
Other Classes:
126/530, D23/343, 126/546
International Classes:
F24B1/188; F24B1/192; F24B1/00