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Patents > Grant date: July 1912 & Supplementary to patent : Patent GB-1911-12232 or None

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None (4)
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None (9)
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Tech fields:
None (23) · airplane (18) · stability (13) · propulsion (10) · design (9) · LTA (6) · navigation (5) · airship (5) · frame (5) · automatic stability (4) · aviation (4) · Propellers (4) · parachute (4) · whole (3) · sustentation (3) · hybrid (3) · safety (3) · aerodynamics (3)
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None (12)
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Patent agent:
None (23) · L. Chassevent (5) · None (4) · Brandon frères (3) · Dupont et Elluin (3) · Hippolyte Josse (3) · Ch. Faber (2) · Munn & Co. (2) · J. Bonnet-Thirion (2) · Victor J. Evans (2) · E. Coquillat (2) · H. Bœttcher fils (2) · Joshua R. H. Potts (2)
National tech categories:
FR 6.4 (34) · None (9) · USPC 244/66 (2) · USPC 244/63 (2) · USPC 244/48 (2) · USPC 244/22 (2) · USPC 244/45R (2) · FR 6.2 (2) · FR 5.8 (2) · CH 129b (2)
CPCs:
CPC B64C17/00 (10) · None (5) · CPC B64C3/385 (5) · CPC B64C13/00 (5) · CPC B64C2700/6295 (4) · CPC B64C39/08 (4) · CPC B64B1/00 (3) · CPC B64D17/00 (3) · CPC B64C11/006 (3) · CPC B64C33/02 (3)
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