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Patents > Filing date: 1907 & Number of text pages: 2-3 & Number of claims: 4-50

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None (5) · Robert Esnault-Pelterie (3) · Julius Uherkovich de Uherkócz (2)
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None (11) · Robert Esnault-Pelterie (3) · Julius Uherkovich de Uherkócz (2)
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Tech fields:
airplane (17) · frame (14) · propulsion (14) · flapping (11) · LTA (11) · navigation (10) · stability (7) · wings (6) · rudder (6) · Design (6) · steering (5) · Helicopter (5) · propeller (5) · Construction (5) · airfoil (5) · wheels (4) · aerodynamics (4) · hybrid (3) · propellers (3) · None (3)
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FR 6.4 (11) · None (9) · USPC 244/52 (2) · USPC 244/34R (2) · USPC 244/28 (2)
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