Drilldown: Patents

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Patents > Grant date: 1900 - 1909 & Assigned to: None & Number of claims: 15-18

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propellers (6) · airplane (6) · frame (6) · marine (5) · navigation (5) · propulsion (5) · hybrid (5) · LTA (4) · stability (4) · petroleum (3) · bamboo (3) · Design (3)
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