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Patents > Inventor country: US & Applicant person: None & Grant date: 1890 - 1899

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Office:
Inventors:
Edward Joel Pennington (6) · James Constant Walker (2) · Mark W. Dewey (2) · Stewart Cairncross (2) · Charles Abbott Smith (2)
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Tech fields:
LTA (27) · propulsion (17) · frame (14) · balloon (11) · car (11) · navigation (11) · propeller (11) · marine (9) · None (8) · parachute (7) · rudder (7) · kite (6) · flapping (6) · cargo (4) · stability (4) · aluminum (4) · electricity (4) · human-powered (4) · fun (4)
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None (25) · USPC 244/30 (4) · USPC 244/153R (2) · USPC 244/98 (2) · USPC 244/64 (2) · USPC 244/155R (2) · USPC 244/28 (2) · DE 77 (2)
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