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Patents > Year granted: 1910 - 1919 & Applicant person : Robert Esnault-Pelterie or Sam Leonard Walkden

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Tech fields:
airplane (52) · frame (20) · stability (18) · automatic stability (17) · construction (15) · aerodynamics (14) · design (14) · wings (13) · wing warping (11) · subsystem (11) · landing (11) · chassis (10) · None (9) · Gliders (8) · fuselage (7) · control (7) · lift (6) · Propellers (6) · wheels (6)
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None (15)
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CPC B64C17/00 (13) · CPC B64C25/62 (8) · CPC B64C13/00 (7) · None (6) · CPC B64C25/52 (6) · CPC B64C25/06 (6) · CPC B64C25/54 (5) · CPC B64C2700/6218 (4) · CPC B64C35/00 (3) · CPC B64C3/52 (3) · CPC B64C3/385 (3)
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Showing below up to 68 results in range #1 to #68.

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