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Patents > Tech fields : propeller or stability & Number of text pages: 4-6

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Supplementary to patent:
None (278) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent IT-1910-10-17 Carlo Navaro (4) · Patent IT-1911-06-09 Carlo Navaro (3) · Patent AU-1911-510 (3) · Patent GB-1909-26034 (3) · Patent DE-1909-05-03 Hans Lohmann (3) · Patent BE-1911-11-17 (3)
Related to aircraft:
Patent agent:
None (106) · Marks & Clerk (13) · None (12) · Munn & Co. (12) · Armengaud jeune (8) · Haseltine, Lake & Co. (8) · E. Blétry (6) · Lavoix et Mosès (5) · Schwab (4) · Victor J. Evans (4) · Dupont et Elluin (4) · R. S. & A. B. Lacey (4) · Wheatley & Mackenzie (4)
National tech categories:
None (116) · FR 6.4 (106) · USPC 244/80 (15) · HU V/h (14) · USPC 244/177 (7) · USPC 244/22 (6) · USPC 244/90R (6) · CH 129b (6) · AU 90.3 (6) · USPC 244/139 (5) · USPC 244/6 (5) · USPC 244/78.1 (4) · AT 77d (4) · USPC 244/30 (4) · USPC 244/48 (4)
IPCs:
None (196) · IPC B64C17/00 (81) · IPC B64C1/00 (70) · IPC B64C39/00 (17) · IPC B64C17/06 (12) · IPC B64C3/38 (8) · IPC B64B1/00 (7) · IPC B64C23/00 (6) · IPC B64B1/58 (6) · IPC B64C33/00 (5) · IPC B64C3/00 (4) · IPC B64B1/40 (3) · IPC B64C13/00 (3) · IPC B64C33/02 (3) · IPC B64C3/48 (3)
CPCs:
CPC B64C17/00 (105) · None (81) · CPC B64C2700/6218 (47) · CPC B64C23/005 (21) · CPC B64B1/00 (21) · CPC B64C39/00 (18) · CPC B64C13/00 (15) · CPC B64C17/06 (14) · CPC B64C2700/6212 (13) · CPC B64C2700/6295 (13) · CPC B64C3/385 (11) · CPC B64C2700/6216 (9) · CPC B64C33/02 (9) · CPC B64C2700/6214 (8) · CPC B64C1/00 (7) · CPC B64B1/58 (7)
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