Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Office: US & Number of figures: 2-3

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LTA (11) · stability (5) · balloon (5) · navigation (4) · military (4) · projectile (4) · kite (3) · propeller (3) · rudder (3) · None (3) · safety (2) · glider (2) · car (2) · hand tools (2) · frame (2) · fun (2) · propulsion (2)
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None (7) · USPC 244/30 (3) · USPC 244/153R (3) · USPC 244/155R (2) · USPC 244/3.23 (2)
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