Drilldown: Patents

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Patents > Year filed: 1909 & Applicant person: None & National tech categories: FR 6.4 & Citations from after 1930: None

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airplane (11) · LTA (10) · Design (9) · subsystem (6) · propulsion (5) · stability (4) · frame (4) · navigation (4) · airfoil (3) · aerodynamics (3) · rudder (3) · Construction (3) · equilibrium (2) · lift (2) · Propellers (2) · safety (2) · monoplane (2) · control (2) · Airship (2)
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Showing below up to 27 results in range #1 to #27.

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