Drilldown: Patents

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Patents > Filing date: 1800 - 1899 & First filing: No & Number of figures: 5-9

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Inventors:
Burr Frank Barnes (2) · Joseph Hofmann (2) · Rudolf Chillingworth (2) · James Constant Walker (2)
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Tech fields:
LTA (28) · propulsion (20) · frame (14) · navigation (14) · balloon (10) · propeller (9) · car (8) · rudder (7) · flapping (7) · hybrid (4) · dirigible (4) · gas (3) · electricity (3) · stability (3) · None (3) · human-powered (3) · airfoil (3) · parachute (3)
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