Drilldown: Patents

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Patents > Family year: 1909 & Number of claims: 17-40

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airplane (17) · stability (12) · frame (11) · None (8) · design (7) · rudder (7) · propellers (6) · propeller (5) · navigation (5) · propulsion (4) · marine (4) · Wings (4) · construction (4) · automatic stability (4)
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Showing below up to 35 results in range #1 to #35.

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