Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Number of claims: 5-20 & Number of diagram pages: 2-3

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propulsion (10) · LTA (8) · navigation (4) · rudder (3) · balloon (3) · propeller (3) · human-powered (2) · stability (2) · parachute (2) · military (2) · marine (2) · Windmill (2) · electric (2) · airfoil (2) · control (2)
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