Drilldown: Patents

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Patents > Filing date: 1900 - 1909 & First filing: Yes & Number of diagram pages: 4

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Office:
Inventors:
Frederick William Dufwa (2) · John Holmes Wilson (2)
Inventor country:
Applicant person:
None (3) · Frederick William Dufwa (2) · John Holmes Wilson (2)
Applicant is inventor:
Tech fields:
propulsion (23) · Airplane (20) · Frame (19) · navigation (17) · None (17) · stability (14) · rudder (13) · propeller (13) · LTA (13) · car (9) · flapping (8) · wheels (6) · hybrid (6) · Whole (6) · cargo (6) · takeoff (5) · safety (5) · design (5) · helicopter (5) · landing (5)
Full specification filed date:
Application number:
None (12)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (17) · Munn & Co. (10) · Victor J. Evans (3) · None (3) · J. Owden O'Brien (2)
National tech categories:
None (23) · USPC 244/48 (4) · USPC 244/233 (3) · USPC 244/22 (3) · USPC 244/20 (2) · USPC 244/65 (2) · USPC 244/51 (2) · USPC 244/70 (2) · USPC 244/45R (2) · USPC 244/90R (2) · USPC 244/99 (2) · USPC 244/231 (2) · USPC 244/6 (2) · FR 6.3 (2) · FR 6.4 (2) · HU V/h (2) · USPC 244/100R (2) · USPC 244/11 (2)
CPCs:
CPC B64C3/385 (8) · CPC B64B1/00 (8) · None (6) · CPC B64C17/00 (6) · CPC B64C23/005 (5) · CPC B64C2700/6295 (5) · CPC B64C33/02 (4) · CPC B64C39/08 (3) · CPC B64C39/005 (3) · CPC B64C2700/6218 (3) · CPC B64C33/00 (3) · CPC B64C27/12 (3) · CPC B64C13/00 (2) · CPC B64C2700/6281 (2) · CPC B64C9/00 (2) · CPC B64C3/40 (2) · CPC B64C3/14 (2)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

Showing below up to 78 results in range #1 to #78.

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