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Disc shaped aircraft
US 2,935,275 A
Filed
: 10/20/1955
Issued
: 05/03/1960
Est. Priority Date
: 10/20/1955
Status: Expired due to Term
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Current Assignee
Leonard W. Grayson
Original Assignee
Leonard W. Grayson
Inventors
Grayson, Leonard W.
Application Number
US03/541,674
Time in Patent Office
1,657 Days
Field of Search
US Class Current
244/23.00C
CPC Class Codes
B64C 29/0025
the propellers being fixed ...
B64C 39/001
Flying saucers
B64C 39/06
having disc- or ring-shaped...
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