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Patents > CPCs : CPC B64C13/00 or CPC B64C3/56

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None (488) · Seine (5) · Nord (4) · Ohio (3) · Allegheny county, Pennsylvania (2) · TX (2) · Pittsburgh (2) · Paris (2) · PA (2) · New York county (2) · New York City (2) · New York (2) · Manchester (2) · Bexar county (2) · Bouches-du-Rhône (2)
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None (440) · Patent US-1910-1055379 (3) · Patent FR-1909-402649 (3) · Patent US-1909-970771 (3) · Patent FR-1912-451312 (2) · Patent FR-1908-392672 (2) · Patent US-1909-1008096 (2) · Patent DE-1918-388537 (2) · Patent FR-1909-410385 (2) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2) · Patent GB-1913-3848 (2) · Patent FR-1915-477321 (2) · Patent US-1913-1118124 (2) · Patent BE 1911-04-07 Bollekens frères (2)
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None (232) · Armengaud jeune (14) · Munn & Co. (14) · Marks & Clerk (11) · Brewer & Son (10) · Weismann et Marx (8) · Boult, Wade & Tennant (8) · Haseltine, Lake & Co. (6) · Brandon frères (6) · None (5) · L. Chassevent (5) · Charles Dony (4) · Brierley & Howard (4) · Paul Blum (4) · Abel & Imray (4) · P. Follin (4)
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None (207) · FR 6.4 (101) · USPC 244/233 (32) · USPC 244/90R (28) · DE 77h.5 (26) · USPC 244/78.1 (16) · USPC 244/87 (13) · USPC 244/225 (9) · USPC 244/82 (8) · USPC 244/49 (8) · USPC 244/234 (8) · USPC 244/88 (7) · USPC 244/231 (7) · USPC 244/237 (7) · USPC 244/80 (6) · USPC 244/89 (6) · USPC 244/232 (5) · USPC 244/119 (5) · USPC 244/100R (4) · USPC 244/35R (4)
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