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MODERNIZED HELICOPTER
US 3,542,317 A
Filed
: 04/25/1968
Issued
: 11/24/1970
Est. Priority Date
: 04/25/1968
Status: Expired due to Term
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Current Assignee
Irby James Edward
Original Assignee
Irby James Edward
Inventors
IRBY JAMES EDWARD
Application Number
US04/724,036
Time in Patent Office
943 Days
Field of Search
US Class Current
244/17.17
CPC Class Codes
B64C 27/00
Rotorcraft; Rotors peculiar...
B64C 27/06
with single rotor
B64C 39/001
Flying saucers
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