Drilldown: Patents

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Patents > Grant date: 1898 & Granted: Yes & Related to aircraft: Yes

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LTA (12) · frame (6) · hybrid (4) · Airplane (4) · propulsion (4) · navigation (4) · dirigible (3) · rudder (3) · dirigibles (3) · wings (3) · balloon (3) · flapping (2) · propeller (2) · kite (2) · helicopter (2) · balloons (2) · marine (2) · car (2)
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Showing below up to 24 results in range #1 to #24.

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