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Ducted fan aircraft
US 2,968,453 A
Filed
: 01/13/1958
Issued
: 01/17/1961
Est. Priority Date
: 01/13/1958
Status: Expired due to Term
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Current Assignee
Clyde E. Bright
Original Assignee
Clyde E. Bright
Inventors
Bright, Clyde E.
Application Number
US03/708,410
Time in Patent Office
1,100 Days
Field of Search
US Class Current
244/12.5
CPC Class Codes
B64C 29/0025
the propellers being fixed ...
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