Drilldown: Patents

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Patents > Office : DK or US & Inventor country : FR or US & Tech fields : balloon or navigation & Granted: Yes & Assigned to : Sperry Gyroscope Company or None

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Office: (Click arrow to add another value)
Inventor country: (Click arrow to add another value)
Applicant person:
None (39) · Albert Hugo Friedel (5) · John Washington Wilson (5) · Eugene F. Falconnet (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (92)
Granted: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (141) · Munn & Co. (20) · Victor J. Evans (8) · R. S. & A. B. Lacey (8) · None (8) · C. A. Snow & Co. (6) · Herbert H. Thompson (4) · Noyes & Harriman (3) · Michael J. Stark & Sons (3) · D. W. Glassie (2) · Watson E. Coleman (2) · Knight Bros. (2) · E. B. Stocking (2) · Wright, Brown, Quimby & May (2)
Assigned to: (Click arrow to add another value)
National tech categories:
None (21) · USPC 244/30 (18) · USPC 244/51 (11) · USPC 244/97 (11) · USPC 244/22 (10) · USPC 244/52 (10) · USPC 244/6 (10) · USPC 244/26 (9) · USPC 244/27 (9) · USPC 244/25 (9) · USPC 244/90R (8) · USPC 244/70 (8) · USPC 244/93 (7) · USPC 244/96 (7) · USPC 244/48 (7) · USPC 244/80 (7)
IPCs:
None (170) · IPC B64B1/00 (40) · IPC B64B1/40 (8) · IPC B64C39/00 (8) · IPC B64C9/00 (7) · IPC CPC B64C13/00 (6) · IPC B64C3/00 (6) · IPC B64C33/02 (5) · IPC G01P3/36 (4) · IPC B64C33/00 (4) · IPC B64C25/00 (3) · IPC B64B1/62 (3) · IPC B64C13/00 (3) · IPC B64C39/008 (3) · IPC B64C9/38 (2) · IPC B64C3/38 (2) · IPC B64C3/14 (2) · IPC B64C27/00 (2) · IPC B64C17/00 (2) · IPC B64C23/00 (2)
CPCs:
CPC B64B1/00 (57) · CPC B64C23/005 (21) · CPC B64B1/40 (20) · CPC B64C13/00 (19) · CPC B64C39/005 (18) · CPC B64C33/02 (13) · CPC B64C9/00 (11) · CPC B64C2700/6295 (11) · CPC B64C17/00 (9) · CPC B64C9/38 (9) · None (8) · CPC B64C39/008 (8) · CPC B64C3/385 (8) · CPC B64C3/40 (7) · CPC B64C27/82 (7) · CPC B64B1/62 (6) · CPC B64C3/14 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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