Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Office : DE or SAX & Inventor country : CA or DE & Number of figures: 2-5

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LTA (16) · balloon (8) · propulsion (6) · navigation (6) · kite (5) · frame (5) · airship (4) · propeller (4) · captive (4) · car (4) · dirigible (3) · hybrid (3) · None (3) · steering (2) · subsystem (2) · whole (2) · gas (2) · wings (2) · electricity (2) · control (2)
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