Drilldown: Patents

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Patents > Year granted: 1920 & Number of claims: 9-13

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design (6) · airplane (6) · propellers (6) · wings (4) · subsystem (3) · fuselage (3) · frame (3) · None (3) · biplane (3) · stability (2) · LTA (2) · motors (2) · hélice (2) · construction (2) · military (2)
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