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Patents > Office : AT or MX or US & National tech categories: USPC 244/22 & First filing: Yes

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Inventors:
Charles I MATSON (2)
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None (2) · MATSON Charles I (2)
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Tech fields:
flapping (21) · None (18) · ornithopter (18) · frame (18) · propulsion (16) · navigation (12) · airplane (10) · propeller (8) · rudder (6) · parachute (6) · aerodrome (5) · hybrid (5) · wings (4) · car (4) · airfoil (4)
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