Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & First filing: Yes & Number of claims: 7-60

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LTA (7) · navigation (7) · marine (5) · propulsion (5) · military (5) · None (4) · Windmill (3) · rudder (3) · projectile (3) · flapping (3) · frame (3) · wings (2) · glider (2) · rocket (2) · propeller (2) · construction (2) · balloon (2) · design (2)
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None (11) · GB 4 aëroplanes (3) · GB 4 without buoyant (3) · GB 4 starting (2) · USPC 244/3.23 (2) · USPC 89/1.3 (2) · GB 4 propel & steer (2) · GB 4 framework (2)
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