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Patents > Applicant firm: None & National tech categories: None & CPCs : CPC B64C2700/6212 or CPC B64C2700/6218 or CPC B64C35/00

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Tech fields:
None (212) · stability (70) · airplane (43) · automatic stability (24) · control (11) · hydroplane (10) · design (10) · hydroaeroplane (10) · construction (9) · frame (9) · Equilibrium (8) · balance (8) · Pendulum (7) · hybrid (6) · subsystem (6) · rudder (5) · wings (5) · aerodynamics (5)
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None (281) · Patent US-1913-1094989 (2) · Patent FR-1910-435648 (2) · Patent FR-1914-475066 (2) · Patent NZ-1909-25865 (2) · Patent FR-1911-446282 (2)
Related to aircraft:
Patent agent:
None (205) · Boult, Wade & Tennant (12) · Herbert Haddan & Co. (8) · Abel & Imray (8) · Marks & Clerk (7) · Brewer & Son (5) · Haseltine, Lake & Co. (5) · Edward Evans & Co. (4) · Dicker, Pollak & Derriman (4) · Lewis William Goold (4) · Hyde & Heide (3) · Chatwin, Herschell & Co. (3) · Wheatley & Mackenzie (3) · W. P. Thompson & Co. (3)
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