Drilldown: Patents

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Patents > Year granted: 1897 & IPCs: None & Number of figures: 2-4

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LTA (9) · stability (4) · navigation (4) · Hybrid (3) · helicopter (3) · captive (3) · car (3) · Windmill (2) · propeller (2) · gas (2) · propulsion (2) · rudder (2) · electricity (2) · steering (2) · takeoff (2) · ascension (2) · balloons (2) · balloon (2) · subsystem (2)
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