Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Office : DEG or GB & Applicant type: None

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LTA (14) · propulsion (13) · whole (9) · balloon (8) · car (7) · navigation (6) · frame (6) · compartments (5) · steam (4) · propeller (4) · rudder (4) · marine (3) · metal (3) · None (3) · subsystem (3) · valve (3)
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