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Patents > Year filed: 1912 & Grant date: 1913 & First filing: None

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Hanns Pippart (3) · Louis-Marie Le Dantec (3) · Heinrich Noll (3) · Jan Jaakson (3) · Louis Constantin (3) · Joseph de Coster (2) · Karl Klinkosch (2) · Emil Hyra (2) · Heinrich Bruns, Jr. (2) · Edmund Kikut (2) · Charles Denniston Burney (2) · Melvin Vaniman (2) · Adolf Warchalowski (2)
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Airplane (20) · Frame (12) · Aerodynamics (10) · Propellers (10) · Wings (9) · Design (9) · Construction (7) · LTA (7) · Hydrodynamics (6) · propulsion (6) · military (5) · Fuselage (4) · Illumination (4) · marine (4) · safety (4) · lift (4)
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