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Fluid heating and circulating device
US 2,686,863 A
Filed
: 08/07/1951
Issued
: 08/17/1954
Est. Priority Date
: 08/07/1951
Status: Expired due to Term
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Current Assignee
Edward F. Chandler
Original Assignee
Edward F. Chandler
Inventors
Chandler, Edward F.
Application Number
US03/240,709
Time in Patent Office
1,106 Days
Field of Search
US Class Current
392/487
CPC Class Codes
F24H 1/102
with resistance
F24H 1/225
electrical central heating ...
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