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Patents > Tech fields: flapping & Filing date: 1900 - 1999 & Number of diagram pages: 3-20000000

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Office:
Inventors:
Franz Wondra (3) · Henry Shepley Booth (2) · Newton Roberts Gordon (2) · John Emery Harriman, Jr. (2) · Ruter William Springer (2) · Julius Uherkovich de Uherkocz (2) · Oliver K. Chance (2) · John Spies (2)
Inventor country:
Applicant person:
None (8) · Franz Wondra (3) · Julius Uherkovich de Uherkócz (2) · Newton Roberts Gordon (2) · Oliver K. Chance (2) · Roscoe Clair Gore (2) · Ruter William Springer (2) · Henry Shepley Booth (2) · John Emery Harriman, Jr. (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (16)
Granted:
Related to aircraft:
Patent agent:
None (17) · Munn & Co. (4) · Victor J. Evans (3) · C. A. Snow & Co. (3) · H. C. Evert & Co. (2) · F. N. Gillent (2)
National tech categories:
None (16) · USPC 244/22 (14) · FR 6.4 (8) · USPC 244/72 (7) · HU V/h (5) · USPC 244/11 (5) · USPC 244/28 (4) · USPC 244/64 (2) · USPC 244/104R (2) · USPC 244/105 (2) · USPC 244/35R (2) · USPC 244/68 (2)
First filing:
Citations from after 1930:
Number of diagram pages:

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