Drilldown: Patents

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Patents > National tech categories : USPC 244/177 or None & Number of diagram pages: 5

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Office:
Inventors:
Alfred John Macy (6) · Calvin Pearson (2) · Jean F. Webb, Sr. (2) · Louis Brennan (2) · Elmer Ambrose Sperry (2)
Inventor country:
Applicant person:
None (12) · Alfred John Macy (6) · Louis Brennan (2) · Jean F. Webb, Sr. (2) · Calvin Pearson (2)
Applicant is inventor:
Tech fields:
stability (21) · None (17) · airplane (14) · navigation (8) · frame (8) · rudder (7) · LTA (7) · design (7) · control (6) · wings (6) · propeller (5) · automatic stability (5) · propulsion (5) · propellers (4) · whole (4) · airfoil (4) · gyroscope (4)
Full specification filed date:
Application number:
None (22)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (12) · Munn & Co. (2) · Herbert Haddan & Co. (2) · John P. Tarbox (2) · Lewis William Goold (2) · Haseltine, Lake & Co. (2) · Charles W. Hills (2) · Herbert H. Thompson (2) · None (2) · Boult, Wade & Tennant (2) · Spear, Middleton, Donaldson & Spear (2)
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (12) · None (11) · CPC B64C2700/6218 (5) · CPC B64C3/385 (4) · CPC B64C23/005 (4) · CPC B64C13/00 (3) · CPC B64C35/00 (2) · CPC B64C33/02 (2) · CPC B64C39/005 (2) · CPC B64C3/14 (2) · CPC B64C2700/6295 (2) · CPC B64C39/08 (2) · CPC G01C19/38 (2) · CPC B64C2700/6212 (2) · CPC B64B1/00 (2) · CPC B64B1/40 (2) · CPC Y10S200/29 (2) · CPC B64C1/00 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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