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Patents > National tech categories: USPC 244/22 & IPCs: None

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Office:
Inventors:
Charles I. Matson (2)
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Applicant person:
None (2) · Charles I. Matson (2)
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Applicant is inventor:
Tech fields:
flapping (19) · frame (19) · ornithopter (17) · None (15) · propulsion (12) · propeller (9) · navigation (8) · hybrid (7) · airplane (7) · rudder (6) · takeoff (5) · stability (5) · wheels (4) · parachute (4) · wings (4) · car (4)
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None (5)
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IPCs: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
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Showing below up to 54 results in range #1 to #54.

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