Drilldown: Patents

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Patents > Year granted: 1909 & Application number: None & Number of text pages: 5-9

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airplane (10) · propulsion (6) · navigation (4) · Frame (4) · Design (4) · marine (3) · stability (3) · rudder (3) · Lift (3) · military (2) · motors (2) · None (2) · projectile (2) · propeller (2) · safety (2) · Wheels (2) · Propellers (2) · LTA (2) · construction (2) · balloon (2)
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