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Patents > Grant date: 1910 - 1919 & CPCs: CPC B64C23/005 & Number of text pages: 4-11

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Office:
Inventors:
Bruno von Bültzingslöwen (2) · Thomas Augustus Dring (2)
Inventor country:
Applicant person:
None (5) · Thomas Augustus Dring (2) · Bruno von Bültzingslöwen (2)
Applicant is inventor:
Tech fields:
airplane (18) · None (13) · frame (13) · propeller (11) · helicopter (9) · stability (8) · hybrid (8) · takeoff (7) · whole (6) · propulsion (6) · propellers (6) · navigation (6) · design (6) · sustentation (5) · rudder (4) · heavier-than-air (4) · wings (4) · Ascension (4)
Full specification filed date:
Application number:
None (3)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (5) · Victor J. Evans (3) · Marks & Clerk (2) · Phillipss (2)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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