Drilldown: Patents

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Patents > Grant date: 1911 & Number of claims: 9-12

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airplane (19) · frame (16) · stability (13) · rudder (9) · propeller (9) · navigation (6) · wheels (6) · construction (5) · car (5) · None (4) · automatic stability (4) · Helicopter (4) · whole (4) · design (4)
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Showing below up to 39 results in range #1 to #39.

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