Drilldown: Patents

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Patents > Office : ES or IT & Inventor country : NZ or US

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airplane (7) · propellers (6) · LTA (5) · None (4) · design (4) · rudder (3) · propulsion (3) · frame (3) · wings (3) · balloon (3) · airship (3) · safety (2) · ornithopter (2) · airfoil (2) · military (2) · human-powered (2) · navigation (2) · stability (2)
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Showing below up to 25 results in range #1 to #25.

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