Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Inventor country : AU or DE or HU

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LTA (21) · None (18) · propulsion (13) · balloon (7) · navigation (6) · control (6) · airship (4) · propeller (3) · whole (3) · flapping (2) · electricity (2) · steam (2) · ornithopter (2) · kite (2) · steering (2) · marine (2) · frame (2)
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Showing below up to 59 results in range #1 to #59.

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