Drilldown: Patents

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Patents > Filing date: 1890 & Granted: Yes & Family year: 1890

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LTA (14) · None (10) · propulsion (8) · balloon (8) · frame (7) · propeller (6) · navigation (4) · motor (3) · parachute (3) · piloting (3) · ascension (3) · compartments (3) · subsystem (3) · toy (3) · whole (3)
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