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Patents > IPCs: IPC B64C23/00 & Number of claims: 4-40 & Number of diagram pages: 1-2

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Office:
Inventors:
Otto Sack (2) · Alfred William Turner (2) · Gustav Mees (2) · Walter Fisher Luff (2) · Ernest William Welsh (2)
Inventor country:
Applicant person:
None (3) · Walter Fisher Luff (2) · Gustav Mees (2) · Ernest William Welsh (2) · Otto Sack (2) · Alfred William Turner (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (20) · Airplane (17) · hybrid (12) · Propulsion (11) · frame (8) · design (6) · helicopter (6) · Lift (6) · whole (5) · heavier-than-air (4) · propeller (4) · propellers (4) · gyroscope (3) · construction (3) · control (3) · ascension (3) · landing (3) · stability (3) · navigation (3)
Full specification filed date:
Application number:
None (3)
Granted:
Related to aircraft:
Patent agent:
E. Blétry (4) · None (4) · None (4) · Armengaud jeune (3) · Coquillat (2) · G. de Mestral et F. Harlé (2) · Edward Evans & Co. (2) · E. Wattier (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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