Drilldown: Patents

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Patents > Inventor country : FR or GB or RO & Applicant firm: None & Applicant is inventor: Yes & Patent agent : Armengaud jeune or None & Family year: 1910 - 1919

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Supplementary to patent:
None (946) · Patent FR-1912-447782 (6) · Patent GB-1913-16499 (4) · Patent FR-1912-450892 (3) · Patent FR-1911-443878 (3) · Patent FR-1910-414695 (3) · Patent ES-1911-50083‎ (3) · Patent FR-1914-475066 (3) · Patent BE-1910-12-31 Léon Dangy (3) · Patent FR-1910-423792 (3) · Patent FR-1912-446818 (3)
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National tech categories:
None (634) · FR 6.4 (317) · HU V/h (25) · BE K (13) · DE 77h.9 (7) · FR 6.2 (7) · DE 77h.5 (7) · AT 77d (7) · IT 8 (6) · NL 62 (4) · FR 10.4 (3) · DE 77h.6 (3) · FR 6.3 (3) · DK 77 (3) · USPC 244/105 (3) · USPC 244/119 (3) · USPC 244/90R (3) · USPC 244/82 (3) · USPC 244/78.1 (3) · USPC 244/49 (3)
IPCs:
None (699) · IPC B64C17/00 (68) · IPC B64C1/00 (58) · IPC B64B1/00 (26) · IPC B64C39/00 (23) · IPC B64C11/00 (23) · IPC B64C35/00 (21) · IPC B64C3/00 (15) · IPC B64C25/00 (13) · IPC B64C3/54 (12) · IPC B64B1/58 (12) · IPC B64C11/04 (11) · IPC B64C3/38 (10) · IPC B64C23/00 (8) · IPC B64C13/00 (8) · IPC B64C3/18 (8) · IPC B64C17/06 (7)
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Citations from after 1930:
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