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Patents > CPCs : CPC B64B1/40 or CPC B64C33/00 & Number of diagram pages: 3-20000000

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Office:
Inventors:
Richard A. Engler (2) · John Emery Harriman, Jr. (2)
Inventor country:
Applicant person:
None (3) · John Emery Harriman, Jr. (2) · Richard A. Engler (2)
Applicant type:
Applicant is inventor:
Tech fields:
frame (14) · ornithopter (12) · flapping (12) · LTA (9) · wings (8) · stability (8) · airplane (8) · propulsion (8) · hybrid (8) · design (7) · navigation (7) · rudder (6) · balloon (6) · airfoil (5) · takeoff (4) · propeller (4) · None (4) · airship (4)
Full specification filed date:
Application number:
None (7)
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Related to aircraft:
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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