Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Number of text pages: 3-4 & Number of claims: 7-15

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LTA (9) · car (7) · propulsion (6) · None (5) · navigation (5) · frame (5) · balloon (5) · propeller (4) · flapping (3) · rudder (3) · windmill (2) · stability (2) · safety (2) · design (2) · takeoff (2) · marine (2) · ballistics (2) · gas (2) · parachute (2)
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