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Patents > Office : BE or Other & CPCs : CPC B22D33/00 or CPC B64C23/005 & Number of text pages: 4

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Office: (Click arrow to add another value)
Inventors:
None (2) · Thomas Augustus Dring (2) · Gustav Mees (2)
Inventor country:
Applicant person:
None (4) · Gustav Mees (2) · Thomas Augustus Dring (2)
Applicant type:
Applicant is inventor:
Tech fields:
airplane (17) · navigation (11) · Propulsion (11) · propeller (9) · stability (9) · frame (9) · Helicopter (7) · hybrid (7) · None (6) · propellers (6) · ascension (5) · LTA (5) · design (5) · sustentation (5) · takeoff (5) · heavier-than-air (5) · lift (4) · wings (4)
Full specification filed date:
Application number:
None (4)
Granted:
Related to aircraft:
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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