Drilldown: Patents

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Patents > Granted: Yes & Family year: 1909 & Citations from after 1930: 1

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Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventors:
Rudolph G. Dressler (2) · George Herbert Kellogg (2) · Christopher John Lake (2)
Inventor country:
Applicant person:
Rudolph G. Dressler (2) · George Herbert Kellogg (2) · Christopher John Lake (2)
Applicant is inventor:
Tech fields:
None (18) · airplane (10) · frame (9) · stability (8) · propulsion (8) · propeller (8) · wheels (6) · LTA (6) · rudder (5) · navigation (5) · car (4) · landing (4) · flapping (4) · helicopter (4) · design (3)
Filing date:
Application number:
None (9)
Granted: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (4) · Munn & Co. (4) · Herbert Haddan & Co. (2) · Spencer Heath (2) · None (2) · Marks & Clerk (2) · Howard P. Denison (2) · Hy. Fairbrother (2)
National tech categories:
None (18) · FR 6.4 (7) · USPC 244/80 (2) · USPC 244/65 (2) · USPC 244/20 (2)
CPCs:
CPC B64C39/005 (6) · CPC B64C3/385 (6) · CPC B64C2700/6295 (4) · CPC Y02E10/74 (3) · CPC B64B1/00 (3) · CPC F03D3/00 (3) · None (2) · CPC B64C33/00 (2) · CPC B64C33/02 (2) · CPC B64C2700/6246 (2) · CPC B64C39/00 (2) · CPC B64C39/026 (2) · CPC B64C23/005 (2) · CPC B64C13/00 (2) · CPC B64C17/00 (2) · CPC B64C39/08 (2) · CPC B64C11/006 (2)
Family year:
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First filing:
Citations from after 1930:
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