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Patents > National tech categories : USPC 244/22 or None & CPCs: CPC B64C17/00

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None (188) · stability (106) · airplane (65) · automatic stability (38) · Frame (19) · design (17) · Equilibrium (16) · control (15) · Subsystem (15) · balance (13) · construction (10) · pendulum (10) · Aerodynamics (9) · rudder (9) · Propellers (6) · HTA (5) · navigation (5) · wings (5)
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None (251) · Patent GB-1909-8531 (3) · Patent NZ-1909-25865 (2) · Patent FR-1909-399456 (2) · Patent FR-1914-475066 (2) · Patent FR-1910-435648 (2) · Patent FR-1911-446282 (2) · Patent FR-1910-415470 (2)
Related to aircraft:
Patent agent:
None (187) · Marks & Clerk (12) · Abel & Imray (9) · Herbert Haddan & Co. (8) · Haseltine, Lake & Co. (8) · Lewis William Goold (5) · None (5) · Boult, Wade & Tennant (4) · Lloyd Wise & Co. (4) · Edward Evans & Co. (4) · Chatwin, Herschell & Co. (3) · Philip Middleton Justice (3) · Dicker, Pollak & Derriman (3) · Wheatley & Mackenzie (3)
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