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Patents > Inventor country: US & Number of diagram pages: 5-70 & Number of figures: 10-12

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Inventors:
Jean F. Webb, Sr. (3) · Elmer Ambrose Sperry (2) · Reinhold Schmiechen (2) · William Everett Sylvester Coyne (2)
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Applicant person:
None (4) · Jean F. Webb, Sr. (3) · Reinhold Schmiechen (2)
Applicant is inventor:
Tech fields:
airplane (16) · frame (14) · navigation (14) · stability (12) · propeller (12) · LTA (11) · propulsion (10) · None (9) · rudder (9) · wheels (6) · car (6) · hybrid (5) · takeoff (4) · helicopter (4) · design (4) · balloon (4) · airfoil (3) · control (3) · parachute (3)
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None (7)
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Citations from after 1930:
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