Drilldown: Patents

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Patents > Filing date: 1920 - 1929 & Number of claims: 3-7

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airplane (15) · frame (10) · design (9) · wings (8) · control (4) · Propeller (4) · None (4) · propulsion (3) · helicopter (3) · propellers (3) · landing (2) · steering (2) · stability (2) · seaplane (2) · rudder (2) · LTA (2) · motor (2) · Envelope (2)
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Showing below up to 38 results in range #1 to #38.

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