Drilldown: Patents

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Patents > Tech fields: navigation & National tech categories: None & Number of figures: 3-20

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Office:
Inventors:
None (3) · Francis Alexander Barton (3) · Andrew John Fredrikson (2) · George Sutherland Dodman (2) · René Tampier (2) · Elmer Ambrose Sperry (2) · Harry L. Tanner (2) · Franz Xaver Wels (2) · John Washington Wilson (2) · Albert Francis Zahm (2)
Applicant person:
None (33) · Francis Alexander Barton (2) · George Sutherland Dodman (2) · John Washington Wilson (2) · Franz Xaver Wels (2) · René Tampier (2) · Andrew John Fredrikson (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (55)
Granted:
Supplementary to patent:
None (71) · Patent US-1909-970771 (2) · Patent AT-1912-75092 (2)
Related to aircraft:
Patent agent:
Marks & Clerk (11) · None (7) · Haseltine, Lake & Co. (7) · Herbert Haddan & Co. (7) · Boult, Wade & Tennant (5) · Wheatley & Mackenzie (3) · Herbert H. Thompson (3) · W. D. Rowlingson (3) · E. R. Royston & Co. (2) · None (2) · Abel & Imray (2) · Johnsons & Willcox (2) · Baldwin & Rayward (2) · Edward Evans & Co. (2) · W. P. Thompson & Co. (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (43) · CPC B64B1/00 (8) · CPC B64C13/00 (5) · CPC B64B1/58 (4) · CPC B64C23/005 (4) · CPC B64C17/00 (3) · CPC B64C3/52 (3) · CPC B64B1/40 (2) · CPC B64B1/60 (2) · CPC B64C13/02 (2) · CPC B64C3/385 (2) · CPC B64C2700/6245 (2) · CPC B64C17/06 (2) · CPC B64C39/005 (2) · CPC B64C2700/6295 (2) · CPC G01C19/38 (2) · CPC B64C2700/6256 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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