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Patents > Tech fields : Airplane or Design or propeller & Patent agent: None & Number of diagram pages: 2-50000000

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None (230) · Patent GB-1909-2111 (3) · Patent US-1908-1077750 (3) · Patent US-1909-970771 (2) · Patent FR-1908-401308 (2) · Patent GB-1910-6051 (2) · Patent GB-1909-8531 (2) · Patent US-1903-821393 (2) · Patent GB-1908-4519 (2) · Patent FR-1902-328044 (2) · Patent US-1908-1081147 (2) · Patent US-1910-1041876 (2) · Patent FR-1916-491738 (2) · Patent FR-1912-447782 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · 1911-05-09 (2)
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National tech categories:
None (68) · HU V/h (61) · FR 6.4 (38) · DE 77h.5 (11) · USPC 244/90R (8) · USPC 244/80 (7) · USPC 244/48 (5) · USPC 244/51 (5) · USPC 244/35R (5) · AT 77d (5) · USPC 244/82 (4) · USPC 244/30 (4) · USPC 244/28 (4) · USPC 244/99 (4)
IPCs:
None (222) · IPC B64C39/00 (17) · IPC B64C17/00 (13) · IPC B64B1/00 (11) · IPC B64C1/00 (11) · IPC B64C3/38 (6) · IPC B64C11/00 (6) · IPC B64C33/00 (5) · IPC B64C3/00 (5) · IPC B64C13/00 (4) · IPC CPC B64C13/00 (4) · IPC B64C3/54 (3) · IPC B64C17/06 (3) · IPC B64C23/00 (3)
CPCs:
None (114) · CPC B64C13/00 (25) · CPC B64C17/00 (23) · CPC B64B1/00 (21) · CPC B64C2700/6295 (15) · CPC B64C39/00 (12) · CPC B64C23/005 (9) · CPC B64C11/006 (8) · CPC B64C39/005 (7) · CPC B64C3/385 (7) · CPC B64C3/14 (6) · CPC B64C33/00 (5) · CPC B64C9/00 (4) · CPC B64C33/02 (4) · CPC B64C3/00 (4) · CPC B64C2700/6218 (4) · CPC B64C2700/6256 (4)
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