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

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Supplementary to patent:
None (607) · Patent US-1909-970771 (3) · Patent US-1908-1077750 (2) · Patent US-1910-1055379 (2) · Patent GB-1909-12556 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Patent agent:
None (323) · Munn & Co. (36) · Victor J. Evans (22) · None (10) · Watson E. Coleman (8) · C. A. Snow & Co. (7) · B. Singer (6) · R. S. & A. B. Lacey (6) · Charles W. Hills (4) · G. H. Strong (4) · Knight Bros. (4) · Michael J. Stark & Sons (4) · Joshua R. H. Potts (3) · Howson and Howson (3) · 1 (3) · Noyes & Harriman‎ (3) · Spear, Middleton, Donaldson & Spear (3)
Assigned to:
None (623) · Goodyear Tire and Rubber Company (4) · 1 (3) · (1/4) (2)
IPCs:
None (488) · IPC B64B1/00 (25) · IPC B64C39/00 (16) · IPC B64C33/00 (12) · IPC B64C17/00 (12) · IPC B64C33/02 (9) · IPC B64C13/00 (8) · IPC B64C3/00 (8) · IPC B64B1/40 (7) · IPC CPC B64C13/00 (6) · IPC B64C3/14 (6) · IPC B64C27/00 (5) · IPC B64C31/00 (5) · IPC F42B10/00 (4) · IPC B64C9/00 (4) · IPC B64C11/00 (3) · IPC B64C11/20 (3) · IPC B64C2700/6295 (3) · IPC B64C3/38 (3) · IPC B64C30/00 (3)
CPCs:
CPC B64C17/00 (63) · CPC B64B1/00 (56) · CPC B64C13/00 (50) · CPC B64C2700/6295 (42) · CPC B64C23/005 (36) · CPC B64C33/02 (24) · CPC B64C39/005 (22) · None (22) · CPC B64C3/385 (20) · CPC B64B1/40 (19) · CPC B64C11/006 (18) · CPC B64C11/48 (17) · CPC B64C3/14 (16) · CPC B64C39/08 (15) · CPC B64C9/00 (14) · CPC B64C27/82 (12) · CPC B64C13/24 (11) · CPC B64C33/00 (11) · CPC B63H1/12 (10) · CPC B64C3/40 (10)
First filing:
Citations from after 1930:

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