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Patents > IPCs : IPC B64B1/40 or IPC B64C27/04 & Number of claims: 3-40

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Office:
Inventors:
None (3) · Everard Richard Calthrop (3) · Alexis Beurrier (2) · Alfred Arnold Remington (2) · Édouard-Jean Bigourdan (2)
Inventor country:
Applicant person:
None (7) · Everard Richard Calthrop (3) · Alexis Beurrier (2) · Alfred Arnold Remington (2) · Édouard-Jean Bigourdan (2)
Applicant is inventor:
Tech fields:
helicopter (20) · LTA (13) · propulsion (13) · stability (9) · None (8) · airplane (8) · hybrid (7) · design (7) · Propellers (6) · navigation (6) · propeller (6) · ascension (6) · control (5) · balloon (5) · Lift (5)
Full specification filed date:
Application number:
None (8)
Granted:
Related to aircraft:
Patent agent:
None (13) · Armengaud jeune (4) · Marks & Clerk (4) · Lavoix et Mosès (2) · Schwab (2) · Browne & Co. (2) · None (2) · J. S. Withers & Spooner (2)
IPCs: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
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