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Patents > CPCs : CPC B64C2700/6281 or CPC B64C3/385 & Number of figures: 4-5

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Office:
Inventors:
None (2) · Alexis Beurrier (2) · Édouard-Jean Bigourdan (2) · Michael Ouschkoff (2)
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Applicant person:
None (3) · Alexis Beurrier (2) · Édouard-Jean Bigourdan (2) · Michael Ouschkoff (2)
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Applicant is inventor:
Tech fields:
airplane (16) · helicopter (9) · frame (8) · control (6) · None (5) · Design (5) · stability (4) · Propulsion (4) · propellers (4) · propeller (4) · hybrid (4) · wings (4) · biplane (4) · construction (3) · chassis (3) · wheels (3) · airfoil (3) · lift (3)
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None (2)
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Cites these patents:
Citations from after 1930:
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Showing below up to 47 results in range #1 to #47.

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