Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Number of text pages: 2-3 & Number of claims: 5-9

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LTA (12) · propulsion (9) · balloon (5) · navigation (5) · propeller (4) · car (4) · Windmill (3) · landing (3) · parachute (3) · marine (3) · aerodrome (2) · stability (2) · projectile (2) · airship (2) · brakes (2) · rudder (2) · safety (2) · control (2)
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