Drilldown: Patents

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Patents > Family year: 1800 - 1899 & Number of claims: 3-8 & Number of figures: 1-2

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LTA (14) · balloon (8) · propeller (7) · car (5) · navigation (5) · safety (4) · propulsion (4) · stability (4) · rudder (3) · windmill (3)
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None (7) · USPC 244/30 (2) · USPC 89/1.51 (2) · HU V/h (2)
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