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Delta wing heliplane
US 3,025,022 A
Filed
: 01/16/1961
Issued
: 03/13/1962
Est. Priority Date
: 01/16/1961
Status: Expired due to Term
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Current Assignee
Peter F. Girard
Original Assignee
Peter F. Girard
Inventors
Girard, Peter F.
Application Number
US04/082,778
Time in Patent Office
421 Days
Field of Search
US Class Current
244/7.00A
CPC Class Codes
B64C 27/24
with rotor blades fixed in ...
B64C 27/54
Mechanisms for controlling ...
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