Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Number of claims: 6-50000000 & Number of figures: 2-5

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frame (7) · propeller (6) · LTA (6) · car (5) · navigation (4) · propulsion (4) · military (3) · airfoil (3) · marine (3) · hybrid (3) · rudder (3) · glider (3) · projectile (2) · rocket (2) · flapping (2) · wheels (2) · airplane (2) · ascension (2) · windmill (2) · balloon (2)
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