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Combined ventilation and heat control system
US 2,534,174 A
Filed
: 04/14/1947
Issued
: 12/12/1950
Est. Priority Date
: 04/14/1947
Status: Expired due to Term
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Current Assignee
Everett H. Burgess
,
Timothy J. Lehane
Original Assignee
Everett H. Burgess
,
Timothy J. Lehane
Inventors
Lehane, Timothy J.
,
Burgess, Everett H.
Application Number
US02/741,182
Time in Patent Office
1,338 Days
Field of Search
US Class Current
236/49.3
CPC Class Codes
F24D 19/1084
for air heating systems
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