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Patents > Inventor country: None & Application number: None & Granted: Yes & Assigned to: None

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Inventor country: (Click arrow to add another value)
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Supplementary to patent:
None (2408) ·   (3) · Patent FR-1880-139386 (3) · Patent BE-1913-253298 (2) · Patent FR-1900-299924 (2) · Patent DE-1899-123884 (2) · Patent FR-1881-143264 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent US-1911-1109891 (2)
Related to aircraft:
Patent agent:
None (2283) · Desnos (13) · Blétry aîné (11) · Armengaud jeune (10) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (5) · Dumas (4) · Nauhardt (4) · Casalonga (4) · Société Louis Gudman et Cie (4) · Armengaud aîné (4) · Thirion (4)
Assigned to: (Click arrow to add another value)
National tech categories:
None (1901) · FR 6.3 (186) · GB 4 propel & steer (24) · GB 4 with buoyant (22) · GB 4 (19) · USPC 244/139 (18) · USPC 244/147 (18) · USPC 244/142 (16) · BE K (15) · DE 77 (13) · GB 4 without buoyant (13) · USPC 244/153R (12) · USPC 244/53A (9) · USPC 244/149 (9) · GB 4 aërostats (8) · DE 77h.5 (8) · USPC 244/144 (7) · USPC 244/3.1 (6) · USPC 244/119 (6) · FR 6 (6)
IPCs:
None (2452) · IPC B64D27/00 (2) · IPC B64C23/00 (2) · IPC B64C11/32 (2)
CPCs:
None (1866) · CPC B64C11/006 (114) · CPC B64C11/346 (70) · CPC B64C11/48 (62) · CPC B63H1/12 (41) · CPC B64C11/36 (41) · CPC B64C11/343 (33) · CPC F05B2260/74 (33) · CPC Y02E10/722 (31) · CPC F03D11/00 (31) · CPC B63H1/04 (29) · CPC B64C11/06 (28) · CPC B64C27/33 (21) · CPC B64C3/48 (20) · CPC F03D1/025 (17) · CPC B64C11/065 (16) · CPC Y02E10/72 (14) · CPC F03D3/00 (13) · CPC Y02E10/74 (13) · CPC B64C11/003 (12)
First filing:
Citations from after 1930:
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