Drilldown: Patents

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Patents > Office: US & Tech fields: navigation & Number of figures: 6-12

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Office: (Click arrow to add another value)
Inventors:
Albert Hugo Friedel (2) · Malcolm Grover Adams (2) · Edward Payson Johnston (2) · Elmer Ambrose Sperry (2)
Inventor country:
Applicant person:
None (10) · Malcolm Grover Adams (2) · Albert Hugo Friedel (2) · Edward Payson Johnston (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (33)
Granted:
Related to aircraft:
Patent agent:
None (32) · Munn & Co. (14) · Victor J. Evans (4) · C. A. Snow & Co. (3) · Herbert H. Thompson (3) · Knight Bros. (2) · None (2) · R. S. & A. B. Lacey (2)
National tech categories:
USPC 244/70 (8) · None (8) · USPC 244/6 (7) · USPC 244/22 (6) · USPC 244/51 (5) · USPC 244/30 (5) · USPC 244/100R (5) · USPC 244/20 (4) · USPC 244/90R (4) · USPC 244/80 (4) · USPC 244/27 (4) · USPC 244/233 (4) · USPC 416/116 (3) · USPC 244/99 (3) · USPC 244/28 (3) · USPC 244/26 (3) · USPC 244/48 (3) · USPC 244/12.1 (3) · USPC 244/11 (3)
CPCs:
CPC B64B1/00 (18) · CPC B64C23/005 (14) · CPC B64C39/005 (11) · CPC B64C33/02 (7) · CPC B64C13/00 (6) · CPC B64C9/00 (5) · CPC B64C3/385 (4) · CPC B64C17/00 (4) · CPC B64C39/008 (3) · CPC B64C2700/6295 (3) · CPC B64C33/00 (2) · CPC B64C3/40 (2) · CPC B64C39/08 (2) · CPC B64C27/12 (2) · CPC B64C25/52 (2) · CPC G01C19/38 (2) · CPC G01P3/36 (2) · CPC B64B1/40 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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