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Patents > Patent agent : R. S. & A. B. Lacey or Victor J. Evans & Number of claims: 5-50

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Office:
Inventors:
Albert Hugo Friedel (5) · George Lehberger (2) · Rexford M. Smith (2) · Ulysses G. White (2)
Inventor country:
Applicant person:
Albert Hugo Friedel (5) · George Lehberger (2) · Ulysses G. White (2) · Rexford M. Smith (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
None (12) · frame (12) · stability (12) · airplane (10) · navigation (9) · rudder (8) · propeller (8) · wheels (5) · propulsion (5) · takeoff (4) · whole (3) · LTA (3) · landing (3) · helicopter (3) · fuselage (3) · hybrid (3) · car (3) · balloon (3)
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None (7)
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National tech categories:
USPC 244/80 (9) · None (7) · USPC 244/100R (3) · USPC 244/93 (2) · USPC 244/90R (2) · USPC 244/233 (2) · USPC 244/104R (2) · USPC 244/113 (2)
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Cites these patents:
Citations from after 1930:
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