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Patents > IPCs: None & CPCs: CPC B64C23/005 & Number of figures: 4-20

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Office:
Inventors:
Thomas Augustus Dring (2) · Samuel S. Yarrington (2) · Theodor Gibon (2)
Inventor country:
Applicant person:
None (4) · Samuel S. Yarrington (2) · Theodor Gibon (2) · Thomas Augustus Dring (2)
Applicant is inventor:
Tech fields:
Airplane (25) · propeller (22) · frame (20) · helicopter (17) · navigation (17) · None (16) · propulsion (15) · stability (14) · hybrid (11) · takeoff (8) · rudder (8) · parachute (6) · landing (5) · wheels (5) · LTA (5) · airfoil (4) · car (4)
Full specification filed date:
Application number:
None (5)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (12) · Victor J. Evans (6) · Munn & Co. (4) · C. A. Snow & Co. (2) · Phillipss (2) · Howson and Howson (2)
National tech categories:
USPC 244/6 (28) · None (11) · USPC 244/66 (10) · USPC 244/12.1 (9) · USPC 244/80 (5) · USPC 244/35R (4) · USPC 244/139 (3) · USPC 244/100R (3) · USPC 244/60 (3) · USPC 244/144 (2) · USPC 244/51 (2) · USPC 244/231 (2) · USPC 244/48 (2)
IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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