Drilldown: Patents

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Patents > Grant date: 1900 - 1909 & Number of text pages: 1-3 & Number of claims: 9-12

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Propulsion (9) · navigation (9) · LTA (6) · stability (6) · flapping (5) · propeller (5) · airplane (5) · frame (4) · None (4) · parachute (3) · airfoil (3) · marine (3)
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None (13) · USPC 244/6 (2) · FR 6.4 (2) · USPC 244/63 (2) · USPC 244/72 (2)
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