Drilldown: Patents

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Patents > Grant date: 1900 - 1909 & Granted: Yes & Number of text pages: 1-2 & Number of diagram pages: 2-9 & Number of figures: 4-5

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Office:
Inventors:
Erik Emanuel Lindkvist (2) · Louis Gathmann (2) · Edward Smethurst (2)
Inventor country:
Applicant person:
None (2) · Louis Gathmann (2) · Edward Smethurst (2)
Applicant firm:
Applicant type:
Applicant is inventor:
Tech fields:
propulsion (17) · LTA (13) · propeller (12) · navigation (8) · airplane (6) · stability (5) · frame (5) · None (4) · airfoil (4) · helicopter (4) · control (3) · takeoff (3) · rudder (3) · propellers (3) · hybrid (3) · flapping (3) · Wings (3) · balloon (3) · car (3)
Full specification filed date:
Application number:
None (13)
Granted: (Click arrow to add another value)
Publication date:
Related to aircraft:
National tech categories:
None (19) · FR 6.4 (9) · FR 6.3 (6) · USPC 104/22 (2) · USPC 244/28 (2) · USPC 244/127 (2)
CPCs:
None (7) · CPC B64B1/00 (5) · CPC B64C2700/6274 (3) · CPC B64C33/02 (3) · CPC B64C23/005 (3) · CPC B64C11/48 (2) · CPC B64C2700/6281 (2) · CPC B63H1/12 (2) · CPC B64C27/82 (2) · CPC B64B1/40 (2) · CPC B64C27/12 (2) · CPC B64C13/00 (2) · CPC B64C39/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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