Drilldown: Patents

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Patents > Year filed: 1911 & Number of text pages: 2-4 & Number of claims: 11-40

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airplane (6) · rudder (5) · None (4) · Propeller (4) · frame (4) · stability (3) · safety (3) · landing (3) · flexibility (2) · wheels (2) · Propulsion (2) · wings (2) · elasticity (2) · automatic stability (2) · design (2) · car (2) · control (2)
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Showing below up to 21 results in range #1 to #21.

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