Drilldown: Patents

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Patents > Year filed: 1912 & Family year: 1911 & Number of text pages: 4-20

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Airplane (18) · stability (17) · frame (13) · Automatic stability (13) · Design (10) · aerodynamics (8) · Wings (8) · Propulsion (6) · marine (5) · Construction (5) · Equilibrium (4) · elasticity (4) · fuselage (4)
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