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Patents > Tech fields : helicopter or propellers & Number of diagram pages: 4-11

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Office:
Inventors:
Louis Blériot (4) · Arthur Henry Edwards (3) · Alfred K. R. A. Krakow (3) · Martin Diederich Rucker (2) · William Everett Sylvester Coyne (2) · Sam Leonard Walkden (2) · James Jesse Jackson (2) · John Washington Wadsworth (2)
Inventor country:
Applicant person:
None (6) · Louis Blériot (4) · Arthur Henry Edwards (3) · John Washington Wadsworth (2) · James Jesse Jackson (2) · Martin Diederich Rucker (2) · Sam Leonard Walkden (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (14)
Granted:
Related to aircraft:
National tech categories:
None (27) · HU V/h (5) · FR 6.4 (3) · USPC 244/6 (3) · USPC 244/17.15 (3) · USPC 244/122R (2) · USPC 244/80 (2) · USPC 244/60 (2) · USPC 244/23R (2) · USPC 244/17.17 (2) · USPC 244/17.19 (2) · FR 6.3 (2)
CPCs:
None (15) · CPC B64C23/005 (9) · CPC B64C13/00 (5) · CPC B64C2700/6281 (4) · CPC B64C27/04 (4) · CPC B64C39/08 (3) · CPC B64C17/00 (3) · CPC B64C39/005 (2) · CPC B64C39/00 (2) · CPC B64C29/0033 (2) · CPC B64C29/0025 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6274 (2) · CPC B64C27/12 (2) · CPC B64C27/006 (2) · CPC B64C27/82 (2) · CPC B64B1/00 (2) · CPC B64C2025/325 (2) · CPC B64C11/006 (2)
First filing:
Cites these patents:
Citations from after 1930:
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