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Patents > Office : GB or US & CPCs : CPC B64C13/00 or CPC B64C39/005

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Office: (Click arrow to add another value)
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Tech fields:
None (191) · airplane (110) · stability (70) · control (68) · navigation (63) · frame (61) · rudder (48) · propulsion (41) · steering (31) · wings (26) · design (24) · propeller (23) · LTA (23) · HTA (18) · hybrid (17) · Propellers (17) · helicopter (15) · automatic stability (14)
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Supplementary to patent:
None (411) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent CA-1909-126457 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
Patent agent:
None (217) · Munn & Co. (20) · Marks & Clerk (12) · Brewer & Son (9) · Haseltine, Lake & Co. (7) · Victor J. Evans (5) · Boult, Wade & Tennant (5) · Abel & Imray (4) · Brierley & Howard (4) · None (4) · C. A. Snow & Co. (3) · Brierley & Appleyard (3) · John P. Tarbox (3) · C. C. Hines (3) · H. D. Fitzpatrick & Co. (3) · Noyes & Harriman (3) · R. S. & A. B. Lacey (3)
National tech categories:
None (192) · USPC 244/233 (36) · USPC 244/90R (33) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/78.1 (17) · USPC 244/87 (14) · USPC 244/82 (13) · USPC 244/9 (13) · USPC 244/225 (9) · USPC 244/234 (9) · USPC 244/231 (9) · USPC 244/237 (8) · USPC 244/88 (8) · USPC 244/119 (8) · USPC 244/80 (6) · USPC 244/232 (6) · USPC 244/100R (6) · USPC 244/89 (6)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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