Drilldown: Patents

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Patents > CPCs : CPC B64C2700/6218 or CPC B64C2700/6281 & Number of text pages: 3-70 & Number of claims: 6-20

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Inventors:
Adolf Sprater (3) · None (3) · Alfred John Macy (2)
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Adolf Sprater (3) · Alfred John Macy (2)
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Tech fields:
stability (28) · airplane (17) · automatic stability (11) · None (7) · Equilibrium (5) · design (4) · propellers (4) · helicopter (4) · wheels (3) · Propulsion (3) · lift (3) · landing (3) · frame (3) · wings (3) · control (3) · construction (3)
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