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Patents > Year granted: 1910 - 1919 & CPCs : CPC B22D33/00 or CPC B64C2700/6295

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None (410) · Patent US-1911-994106 (2) · Patent FR-1912-441089 (2) · Patent NZ-1909-26981 (2) · Patent DE-1912-265515 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-403418 (2) · Patent FR-1913-461629 (2)
Related to aircraft:
Patent agent:
None (264) · None (13) · Marks & Clerk (8) · G. Petiau (6) · Armengaud jeune (5) · Boult, Wade & Tennant (4) · L. Chassevent (4) · J. Germain (4) · Weismann et Marx (4) · Charles Dony (3) · Dom. Casalonga (3) · Dupont et Elluin (3) · Brandon frères (3) · Gaston Rose (3) · Munn & Co. (3) · Hyde & Heide (3) · Victor J. Evans (3) · J. Bonnet-Thirion (3) · Joshua R. H. Potts (3) · J. S. Withers & Spooner (3)
National tech categories:
None (245) · FR 6.4 (109) · USPC 244/45R (38) · USPC 244/13 (23) · USPC 244/87 (8) · USPC 244/91 (7) · USPC 244/90R (5) · USPC 244/48 (4) · USPC 244/233 (4) · USPC 244/100R (4) · USPC 244/119 (4) · USPC 244/113 (3) · USPC 244/47 (3) · USPC 244/139 (3) · USPC 244/903 (3) · USPC 244/50 (3)
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