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Patents > Office : SE or UN or US & Applicant firm: None & Tech fields : Propeller or design or stability & Related to aircraft: 1

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Supplementary to patent:
None (327) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (89) · Munn & Co. (30) · Victor J. Evans (18) · None (10) · C. A. Snow & Co. (7) · Watson E. Coleman (6) · Michael J. Stark & Sons (4) · G. H. Strong (3) · Noyes & Harriman (3) · Joshua R. H. Potts (3) · B. Singer (3) · Charles W. Hills (3)
National tech categories:
None (58) · USPC 244/80 (20) · USPC 244/45R (12) · USPC 244/6 (12) · USPC 244/51 (12) · USPC 244/66 (10) · USPC 244/90R (9) · USPC 244/233 (8) · USPC 244/26 (7) · USPC 244/177 (7) · USPC 244/35R (7) · USPC 244/48 (7) · USPC 244/87 (7)
IPCs:
None (272) · IPC B64C39/00 (12) · IPC B64B1/00 (7) · IPC B64C17/00 (6) · IPC B64C3/00 (6) · IPC B64C3/14 (5) · IPC B64C11/20 (3) · IPC B64C31/00 (3) · IPC B64B1/40 (3) · IPC B64C27/00 (3) · IPC B64C9/00 (3) · IPC B64C13/00 (3) · IPC B63H1/00 (2) · IPC B64C33/02 (2) · IPC B64C33/00 (2) · IPC B64C3/38 (2) · IPC CPC B64C13/00 (2) · IPC B64C30/00 (2) · IPC B64C3/56 (2)
CPCs:
CPC B64C17/00 (33) · CPC B64B1/00 (29) · CPC B64C23/005 (25) · CPC B64C13/00 (25) · CPC B64C2700/6295 (24) · CPC B64C39/005 (18) · None (11) · CPC B64C33/02 (10) · CPC B64C3/385 (10) · CPC B64C3/14 (10) · CPC B64C9/00 (10) · CPC B64C11/48 (10) · CPC B64C39/08 (10) · CPC B64C27/82 (8) · CPC B64C3/40 (8) · CPC B64B1/40 (8) · CPC B64C11/006 (6)
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