Drilldown: Patents

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Patents > Year filed: 1909 & Office : ?? or GB or US & Applicant type: INDIV & Related to aircraft : Yes or frame & CPCs : CPC B64C13/00 or CPC B64C23/005 or CPC B64C2700/6218

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stability (8) · None (7) · airplane (7) · frame (6) · navigation (5) · automatic stability (4) · control (4) · steering (3) · rudder (3) · propulsion (3) · propeller (3) · marine (3) · heavier-than-air (3) · lift (2) · aerodynamics (2) · helicopter (2) · HTA (2) · airship (2) · design (2)
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