Drilldown: Patents

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Patents > Grant date: 1910 - 1919 & Patent agent: Victor J. Evans & Number of text pages: 3-7

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Inventors:
Samuel S. Yarrington (2) · George Lehberger (2) · Robert P. Hall (2)
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Applicant person:
Samuel S. Yarrington (2) · George Lehberger (2) · Robert P. Hall (2)
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Tech fields:
airplane (13) · stability (11) · frame (10) · None (9) · rudder (8) · navigation (6) · hybrid (5) · propeller (5) · wheels (4) · takeoff (3) · landing (3) · safety (3) · helicopter (3)
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