Drilldown: Patents

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Patents > Year granted: 1909 & Grant date: 1910 - 1919 & Number of claims: 2-5

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airplane (7) · propulsion (5) · design (5) · propeller (5) · airship (4) · LTA (4) · sustentation (4) · lift (3) · frame (3) · propellers (3) · wings (3) · helicopter (3) · stability (3) · Subsystem (3) · balloon (3)
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Showing below up to 28 results in range #1 to #28.

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