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Patents > Tech fields: Flapping & Number of diagram pages: 2-4

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Office:
Inventors:
Ruter William Springer (3) · Julius Uherkovich de Uherkócz (3) · Ludwig Schmidl (3) · Henry Mesinger (3) · Konstantin Danilewsky (2) · Robert Strehlau (2) · Jules Materne (2) · Fritz Alexander Jone (2) · John Spies (2) · Hermann John Reiche (2) · Oliver K. Chance (2) · Franz Xaver Wels (2) · Vincent Wisniewski (2) · Walter Villa Gilbert (2) · John Marshall (2) · John Emery Harriman, Jr. (2) · George McMullen (2)
Inventor country:
Applicant person:
None (21) · Ruter William Springer (3) · Julius Uherkovich de Uherkócz (3) · Henry Mesinger (3) · Ludwig Schmidl (3) · Jules Materne (2) · Hermann John Reiche (2) · Fritz Alexander Jone (2) · Franz Xaver Wels (2) · John Emery Harriman, Jr. (2) · Oliver K. Chance (2) · Vincent Wisniewski (2) · Walter Villa Gilbert (2)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (43)
Granted:
Related to aircraft:
Patent agent:
None (27) · Munn & Co. (10) · H. C. Everett Co. (3) · F. N. Gillent (2) · Schwab (2) · Boult, Wade & Tennant (2) · Brandon frères (2) · C. A. Snow & Co. (2) · Frank Briesen (2) · Victor J. Evans (2) · F. N. Gilbert (2)
National tech categories:
USPC 244/22 (25) · None (20) · USPC 244/28 (13) · FR 6.4 (13) · USPC 244/72 (8) · USPC 244/64 (7) · HU V/h (6) · DE 77 (4) · USPC 244/11 (3) · GB 4 propel & steer (3) · GB 4 without buoyant (2) · AT 77d (2) · DE 62b (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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