Drilldown: Patents

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Patents > Year filed: 1889 & Inventor location: None & Filing date: 1800 - 1899

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LTA (17) · propulsion (11) · whole (11) · car (9) · navigation (8) · balloon (7) · military (6) · frame (5) · stability (5) · metal (4) · compartments (4) · marine (4) · rudder (4) · subsystem (4)
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