Drilldown: Patents

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Patents > Inventor location: None & Filing date: 1913 & Number of figures: 16-50

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airplane (11) · Stability (11) · propellers (6) · Frame (5) · automatic stability (4) · military (4) · propulsion (4) · Wings (3) · ascension (3) · navigation (3) · projectile (3) · sustentation (3) · design (3) · None (2) · safety (2) · lift (2) · Flapping (2) · LTA (2) · compartments (2) · ballonet (2)
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Showing below up to 27 results in range #1 to #27.

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