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Patents > Patent agent : R. S. & A. B. Lacey or Victor J. Evans & Number of diagram pages: 1-2

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Office:
Inventors:
Albert Hugo Friedel (2) · Albert Sugden (2)
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Applicant person:
Albert Hugo Friedel (2) · Albert Sugden (2)
Applicant is inventor:
Tech fields:
airplane (12) · frame (11) · None (10) · navigation (9) · stability (8) · propulsion (8) · propeller (8) · LTA (7) · safety (4) · balloon (4) · rudder (4) · control (3) · hybrid (3) · parachute (3)
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None (9)
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National tech categories:
None (7) · USPC 244/80 (4) · USPC 244/73R (2) · USPC 244/45R (2) · USPC 244/79 (2) · USPC 244/131 (2) · USPC 244/93 (2)
CPCs:
CPC B64C17/00 (8) · CPC B64C23/005 (3) · CPC B64C13/00 (3) · CPC B64C11/36 (2) · CPC B64C9/00 (2) · CPC B64C17/06 (2) · CPC Y02E10/74 (2) · CPC B64B1/40 (2) · CPC B64C11/006 (2)
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