Drilldown: Patents

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Patents > Year granted: 1889 & Applicant firm: None & Filing date: 1880 - 1889

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LTA (9) · cargo (5) · military (5) · car (5) · stability (4) · propeller (4) · projectile (4) · navigation (4) · flapping (4) · None (4) · passenger (3) · balloon (3) · propulsion (3) · nacelle (2) · ornithopter (2) · marine (2) · aero-as-power (2) · kite (2) · airship (2) · whole (2)
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