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Ceiling heater and ventilator
US 2,689,906 A
Filed
: 02/10/1951
Issued
: 09/21/1954
Est. Priority Date
: 02/10/1951
Status: Expired due to Term
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Current Assignee
Joseph R. Corbett
Original Assignee
Joseph R. Corbett
Inventors
Corbett, Joseph R.
Application Number
US03/210,422
Time in Patent Office
1,319 Days
Field of Search
US Class Current
392/347
CPC Class Codes
F24H 3/0411
for domestic or space-heati...
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