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Patents > Patent agent : Arthur Otto Sachse or Victor J. Evans & Number of diagram pages: 2-3

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Office:
Inventors:
George Lehberger (3) · Albert Sugden (2) · Axel R. Nordstrom (2)
Inventor country:
Applicant person:
George Lehberger (3) · None (2) · Carin E. Norwall (2) · Martin Bowman (2) · Gustav F. Hellstrom Sr (2) · Gustav F. Hellstrom Jr (2) · Axel R. Nordstrom (2) · Albert Sugden (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
None (18) · airplane (14) · frame (13) · stability (10) · propeller (10) · navigation (8) · propulsion (7) · rudder (6) · helicopter (5) · safety (5) · hybrid (4) · wheels (4) · pendulum (3) · control (3) · airfoil (3) · automatic stability (3)
Full specification filed date:
Application number:
None (12)
Granted:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (10) · USPC 244/80 (6) · USPC 244/119 (4) · AU 90.3 (3) · USPC 244/79 (3) · USPC 244/35R (3) · USPC 244/87 (3) · USPC 244/45R (3) · USPC 244/90R (2) · USPC 244/104R (2) · USPC 244/100R (2) · USPC 244/66 (2)
CPCs:
CPC B64C17/00 (12) · CPC B64C23/005 (6) · CPC B64C13/00 (3) · CPC B64C33/02 (3) · CPC B64C17/06 (3) · None (3) · CPC Y02E10/28 (2) · CPC B64C25/52 (2) · CPC B64C39/08 (2) · CPC B64C3/385 (2) · CPC B64C3/14 (2) · CPC B64C29/0033 (2) · CPC B64C2700/6295 (2) · CPC B64C9/00 (2) · CPC B64C11/36 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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