Drilldown: Patents

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Patents > Grant date: 1890 - 1899 & First filing: No & Number of diagram pages: 2-20000000

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Inventors:
Stewart Cairncross (2) · Burr Frank Barnes (2) · Konstantin Danilewsky (2) · Thomas Mortimer Crepar (2) · Sumter Beauregard Battey (2) · James Constant Walker (2)
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Tech fields:
LTA (27) · propulsion (23) · frame (20) · navigation (14) · balloon (13) · rudder (10) · car (10) · flapping (10) · propeller (10) · stability (8) · hybrid (5) · parachute (5) · landing (4) · safety (4) · cargo (4) · electricity (4) · human-powered (4)
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