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Patents > Tech fields : gyroscope or hybrid & Number of diagram pages: 3-12

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Office:
Inventors:
Louis Brennan (8) · None (5) · Edmund Sparmann (4) · Jacques Ravelli (3) · Glenn Hammond Curtiss (3) · Hippolyte Chevron (3) · Alfred K. R. A. Krakow (3) · Elmer Ambrose Sperry (3) · Anthony Rudolph Silverston (2) · John P. Tarbox (2) · Reinhold Schmiechen (2) · Louis Marmonier (2)
Inventor country:
Applicant person:
None (21) · Louis Brennan (8) · Edmund Sparmann (4) · Jacques Ravelli (3) · Hippolyte Chevron (3) · Anthony Rudolph Silverston (2) · Elmer Ambrose Sperry (2) · Reinhold Schmiechen (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (26)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (26) · Victor J. Evans (7) · Munn & Co. (5) · Haseltine, Lake & Co. (4) · H. C. Everett Co. (3) · None (3) · Michael J. Stark & Sons (3) · Marks & Clerk (3) · John P. Tarbox (3) · Spear, Middleton, Donaldson & Spear (2) · M. Zerolo (2) · J. Germain (2) · 0 (2) · Herbert H. Thompson (2) · C. A. Snow & Co. (2) · Brown & Hopkins (2) · Brandon frères (2)
National tech categories:
None (33) · FR 6.4 (17) · USPC 244/22 (6) · USPC 244/6 (6) · USPC 244/66 (5) · USPC 244/11 (4) · USPC 244/28 (3) · USPC 244/79 (3) · USPC 244/35R (3) · USPC 244/218 (3) · HU V/h (3) · USPC 416/123 (2) · USPC 244/96 (2) · USPC 244/80 (2) · FR 6.3 (2)
CPCs:
CPC B64C23/005 (17) · None (12) · CPC B64B1/00 (12) · CPC B64C33/02 (8) · CPC B64C17/06 (7) · CPC B64C33/00 (7) · CPC B64C39/005 (5) · CPC Y10T74/1221 (4) · CPC B64C13/00 (4) · CPC B64C35/00 (4) · CPC B64C2700/6216 (4) · CPC B64B1/58 (3) · CPC B64C2700/6274 (3) · CPC G01C19/38 (3) · CPC G01C21/18 (2) · CPC Y10T74/1229 (2) · CPC B64C3/14 (2) · CPC B64C29/0033 (2) · CPC B64C39/00 (2) · CPC B64C27/82 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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