Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Office : GR or US & Number of figures: 4-6

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LTA (8) · propulsion (8) · flapping (4) · propeller (4) · Human-powered (4) · frame (4) · navigation (3) · kite (3) · None (3) · car (3) · projectile (2) · marine (2) · universal joint (2) · hybrid (2) · military (2) · parachute (2) · landing (2) · airplane (2)
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Showing below up to 28 results in range #1 to #28.

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