Drilldown: Patents

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Patents > Office : DK or FR & Granted: Yes & Number of claims: None & Number of diagram pages: None

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Supplementary to patent:
None (1846) · Patent FR-1841-9265 (6) · Patent FR-1836-5429 (3) · Patent FR-1881-142748 (3) · Patent FR-1880-139386 (3) · Patent FR-1878-124576 (3) · Patent FR-1861-51979 (3) · Patent FR-1890-205155 (3) · Patent FR-1897-271948 (2) · Patent FR-1893-233439 (2) · Patent FR-1873-97664 (2) · Patent FR-1898-275602 (2) · Patent FR-1881-143296 (2) · Patent FR-1881-143264 (2) · Patent FR-1893-228892 (2) · Patent FR-1850-10514 (2) · Patent FR-1891-217128 (2) · Patent FR-1892-225358 (2)
Related to aircraft:
Patent agent:
None (1681) · Armengaud jeune (25) · Chassevent (19) · Desnos (19) · Blétry aîné (18) · Armengaud aîné (14) · Société Marillier et Robelet (11) · Dieuaide (9) · Thirion (8) · Société Louis Gudman et Cie (8) · Casalonga (8) · Dumas (7) · Josse (6) · Nauhardt (5) · Société Matray frères (5) · Émile Barrault (5) · Blétry frères (5)
IPCs:
None (1776) · IPC B64B1/00 (67) · IPC B64B1/58 (44) · IPC B64C39/00 (13) · IPC B64C17/00 (9) · IPC B64C23/00 (8) · IPC B64B1/62 (8) · IPC B64B1/40 (8) · IPC B64C11/00 (7) · IPC B64C27/04 (7) · IPC B64D1/04 (5) · IPC B64C1/00 (5) · IPC B64B1/66 (4) · IPC B64C3/54 (4) · IPC B64C3/38 (3) · IPC B64C35/00 (3) · IPC B63H1/12 (3) · IPC B64C3/26 (3) · IPC B64C3/56 (3)
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Citations from after 1930:
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