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Power roof ventilator
US 2,668,491 A
Filed
: 08/16/1950
Issued
: 02/09/1954
Est. Priority Date
: 08/16/1950
Status: Expired due to Term
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Current Assignee
Reuben A. Gerlitz
Original Assignee
Reuben A. Gerlitz
Inventors
Gerlitz, Reuben A.
Application Number
US03/179,735
Time in Patent Office
1,273 Days
Field of Search
US Class Current
454/352
CPC Class Codes
F24F 7/025
with forced air circulation...
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