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Aircraft adapted for vertical ascent and descent
US 3,002,709 A
Filed
: 12/19/1955
Issued
: 10/03/1961
Est. Priority Date
: 12/19/1955
Status: Expired due to Term
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Current Assignee
Charles L. Cochran
Original Assignee
Charles L. Cochran
Inventors
Cochran, Charles L.
Application Number
US03/553,808
Time in Patent Office
2,115 Days
Field of Search
US Class Current
244/12.2
CPC Class Codes
B64C 29/0025
the propellers being fixed ...
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