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Patents > CPCs : CPC B64C13/00 or CPC Y10S200/08

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None (367) · Patent US-1910-1055379 (3) · Patent US-1909-970771 (3) · Patent GB-1913-3848 (2) · Patent FR-1912-451312 (2) · Patent US-1909-1008096 (2) · Patent DE-1918-388537 (2) · Patent FR-1908-392672 (2) · Patent US-1913-1118124 (2)
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None (207) · Munn & Co. (12) · Armengaud jeune (11) · Marks & Clerk (8) · Brewer & Son (8) · Weismann et Marx (7) · Haseltine, Lake & Co. (6) · Boult, Wade & Tennant (5) · None (5) · Abel & Imray (4) · Brierley & Howard (4) · Brandon frères (4) · Noyes & Harriman (3) · Paul Blum (3) · Victor J. Evans (3) · H. Boettcher fils (3) · C. C. Hines (3) · John P. Tarbox (3)
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None (164) · FR 6.4 (73) · USPC 244/233 (32) · USPC 244/90R (28) · DE 77h.5 (22) · USPC 244/78.1 (16) · USPC 244/87 (12) · USPC 244/225 (9) · USPC 244/82 (8) · USPC 244/234 (8) · USPC 244/88 (7) · USPC 244/237 (7) · USPC 244/80 (6) · USPC 244/89 (6) · USPC 244/231 (6) · USPC 244/119 (5) · USPC 244/232 (5) · USPC 244/100R (4) · USPC 244/35R (4)
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