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Patents > IPCs : IPC B64C17/06 or IPC B64C3/38 & Number of text pages: 5-20

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Office:
Inventors:
James Joseph Slavin (2) · Émile Pupin (2) · Edmund Sparmann (2) · Paul Guérin (2) · Frederick James Hargreaves (2) · François Dergint (2)
Inventor country:
Applicant person:
None (3) · Frederick James Hargreaves (2) · Edmund Sparmann (2) · Émile Pupin (2) · François Dergint (2) · James Joseph Slavin (2)
Applicant is inventor:
Tech fields:
None (21) · airplane (19) · stability (17) · control (7) · automatic stability (7) · gyroscope (7) · airfoil (5) · design (5) · wings (5) · chassis (4) · navigation (3) · construction (3) · lift (3) · propellers (3) · landing (3) · HTA (3) · frame (3)
Full specification filed date:
Application number:
None (2)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (12) · Schwab (4) · Haseltine, Lake & Co. (3) · W. H. Beck & Co. (2)
IPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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