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Patents > Grant date: 1911 & CPCs : CPC B64B1/40 or CPC B64C23/005

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Inventors:
William Radford (2) · Alexander Horton (2) · John Jacob Day (2) · Romeo Wankmüller (2) · Carl Emil Ritter (2) · Samuel S. Yarrington (2) · Otto Sack (2)
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None (4) · Carl Emil Ritter (2) · Samuel S. Yarrington (2) · Otto Sack (2) · Alexander Horton (2) · William Radford (2)
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Tech fields:
None (22) · frame (17) · airplane (16) · propeller (14) · helicopter (14) · Propulsion (12) · navigation (11) · hybrid (11) · stability (9) · LTA (9) · rudder (8) · airship (4) · design (4) · balloon (4) · Wheels (3) · takeoff (3) · parachute (3) · heavier-than-air (3) · car (3)
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Patent agent:
None (15) · Victor J. Evans (4) · C. Blétry (2) · Munn & Co. (2) · Joshua R. H. Potts (2) · E. Blétry (2) · J. Bonnet-Thirion (2)
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