Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Patent agent : Dupont et Elluin or Marks & Clerk & IPCs : IPC B64C11/00 or IPC B64C39/00

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Airplane (11) · frame (7) · propellers (6) · Whole (5) · construction (5) · design (5) · control (4) · propulsion (4) · wings (3) · lift (3) · sustentation (3) · steering (2) · rudder (2) · propeller (2) · navigation (2) · None (2) · HTA (2)
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Showing below up to 26 results in range #1 to #26.

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