Drilldown: Patents

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Patents > CPCs : CPC B64C25/60 or CPC B64C17/00 & Cites these patents: None

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None (531) · Patent FR-1908-396249 (5) · Patent US-1908-1077750 (4) · Patent US-1908-1081147 (3) · Patent FR-1909-399456 (3) · Patent FR-1910-415470 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent GB-1909-8531‎ (3) · Patent US-1908-935766 (3) · Patent US-1908-989022 (3)
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None (249) · None (29) · Armengaud jeune (27) · E. Blétry (16) · Marks & Clerk (16) · Victor J. Evans (14) · J. Bonnet-Thirion (11) · Charles Dony (10) · Matray frères et Cie (10) · Schwab (9) · Lavoix et Mosès (9) · Munn & Co. (9) · Abel & Imray (8) · J. Germain (7) · P. Follin (7) · Herbert Haddan & Co. (7) · Hippolyte Josse (6) · L. Chassevent (6) · Brandon freres (6)
National tech categories:
FR 6.4 (340) · None (259) · USPC 244/80 (51) · DE 77h.5 (18) · USPC 244/93 (16) · USPC 244/177 (12) · USPC 244/92 (6) · USPC 244/90R (6) · FR 6.3 (3) · USPC 244/91 (2) · USPC 244/89 (2) · USPC 244/87 (2) · USPC 244/82 (2) · USPC 244/233 (2) · USPC 244/139 (2)
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