Drilldown: Patents

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Patents > Filing date: April 1909 & Related to aircraft: Yes

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Martin Diederich Rucker (5) · Arthur Henry Edwards (5) · Rudolf Wagner (4) · Robert Esnault-Pelterie (3) · Carl Edler von Radinger (2) · Henry Calder Lobnitz (2) · Gustav UNGER (2)
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None (19) · Airplane (15) · propellers (12) · Stability (10) · Frame (9) · Design (9) · control (8) · propulsion (7) · Lift (7) · Construction (6) · subsystem (5) · LTA (5) · wings (5) · propeller (3) · Whole (3)
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None (11)
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