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Patents > IPCs: IPC B64C23/00 & First filing: Yes & Number of text pages: 3-6

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Office:
Inventors:
None (2) · Nelson Leslie Hyatt (2) · Harvey McMaster Lloyd (2) · Matts Jacob Mustonen (2) · Douglas Dobbins (2)
Inventor country:
Applicant person:
None (4) · Nelson Leslie Hyatt (2) · John Day De Prez (2) · Harvey McMaster Lloyd (2) · Douglas Dobbins (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (25) · Airplane (19) · Propulsion (15) · Hybrid (10) · stability (7) · propellers (7) · lift (7) · design (7) · LTA (6) · helicopter (6) · sustentation (5) · navigation (5) · ascension (5) · frame (5) · construction (4) · whole (4) · wings (4)
Full specification filed date:
Application number:
None (3)
Granted:
Related to aircraft:
Patent agent:
None (7) · None (6) · Armengaud jeune (4) · Marks & Clerk (2) · Weissmann et Marx (2) · W. P. Thompson & Co. (2) · G. de Mestral et F. Harlé (2) · Émile Bert (2) · Edward Evans & Co. (2) · Lockwood & Lockwood (2) · Hy. Fairbrother (2)
IPCs: (Click arrow to add another value)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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