Drilldown: Patents

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Patents > Grant date: 1907 & Publication date: 1900 - 1999 & Number of claims: 2-4

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None (12) · airplane (7) · propulsion (6) · LTA (5) · propeller (4) · navigation (3) · balloon (3) · wings (2) · frame (2) · rudder (2) · lift (2) · kite (2) · helicopter (2) · marine (2) · aerostat (2)
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Showing below up to 32 results in range #1 to #32.

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