Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Publication date: 1900 - 1999 & Patent agent: G. de Mestral et F. Harlé & Citations from after 1930: None

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airplane (22) · wings (11) · lift (9) · design (8) · sustentation (8) · frame (8) · Propellers (6) · aerodynamics (5) · propulsion (5) · construction (5) · navigation (4) · hybrid (4) · safety (4) · parachutes (3) · helicopter (3) · LTA (3) · subsystem (3) · wing warping (3) · ascension (3)
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Showing below up to 29 results in range #1 to #29.

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