Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & CPCs: None & Number of claims: 9-12

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airplane (14) · frame (10) · design (9) · propellers (8) · whole (6) · subsystem (5) · stability (5) · construction (4) · airship (4) · propulsion (4) · landing (3) · military (3) · flapping (3) · projectile (3) · marine (3) · control (3) · LTA (3) · compartments (3) · propeller (3) · safety (3)
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