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Patents > Tech fields: Stability & Number of text pages: 2-9 & Number of claims: 9-12

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Office:
Inventors:
Alfred John Macy (7) · Edmund Sparmann (2) · Edmond Lévi (2) · Ralph Hazlett Upson (2) · Frederick James Hargreaves (2) · Sam Leonard Walkden (2) · József Fenyvesi (2) · George Brougham Hubert Austin (2) · Louis-Alphonse Canda (2) · Alajos Biró (2)
Inventor country:
Applicant person:
None (10) · Alfred John Macy (7) · George Brougham Hubert Austin (2) · Frederick James Hargreaves (2) · József Fenyvesi (2) · Louis-Alphonse Canda (2) · Edmund Sparmann (2) · Sam Leonard Walkden (2) · Edmond Lévi (2) · Alajos Biró (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (12) · 1913781506 (2)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (23) · None (3) · Haseltine, Lake & Co. (3) · Munn & Co. (3) · Charles W. Hills (2) · Charles Hill (2) · Marks & Clerk (2) · Armengaud jeune (2) · Victor J. Evans (2)
National tech categories:
None (20) · FR 6.4 (11) · USPC 244/177 (6) · USPC 244/80 (4) · USPC 244/45R (3) · USPC 244/113 (2) · AU 90.3 (2) · GB 4 propel & steer (2) · USPC 244/90R (2) · HU V/h (2)
CPCs:
CPC B64C17/00 (18) · None (11) · CPC B64C17/06 (7) · CPC B64C2700/6295 (5) · CPC B64C2700/6218 (4) · CPC B64C23/005 (4) · CPC B64C2700/6212 (3) · CPC Y10S200/29 (3) · CPC B64C13/00 (3) · CPC B64C39/005 (3) · CPC B64C2700/6216 (3) · CPC B64C3/00 (2) · CPC B64C39/00 (2) · CPC B64C39/08 (2) · CPC B64C3/14 (2) · CPC B64B1/40 (2) · CPC B64C2700/6214 (2) · CPC B64B1/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of claims:
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Showing below up to 73 results in range #1 to #73.

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