Drilldown: Patents

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Patents > Filing date: November 1916 & Related to aircraft : 1 or Partially

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None (14) · construction (3) · wings (3) · airplane (3) · frame (3) · subsystem (2) · stability (2) · propellers (2) · landing (2) · helicopter (2) · heavier-than-air (2) · descent (2) · hybrid (2) · ascension (2)
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Showing below up to 34 results in range #1 to #34.

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