Drilldown: Patents

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Patents > Inventor location : England or Feldbach & Supplementary to patent: None

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airplane (13) · stability (8) · frame (7) · propeller (6) · construction (5) · metal (4) · control (4) · marine (4) · kite (3) · subsystem (3) · design (3) · HTA (3) · fuselage (2) · hydroaeroplane (2) · hybrid (2) · whole (2) · propulsion (2) · ballonet (2)
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