Drilldown: Patents

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Patents > Year filed: 1840 - 1849 & Applicant person: None & Number of claims: None

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LTA (14) · propulsion (8) · navigation (7) · balloon (5) · None (3) · propellers (3) · marine (3) · cargo (3) · steam (3) · submarine (2) · human-powered (2) · track (2) · airship (2) · wheels (2) · passenger (2) · propeller (2) · dirigible (2) · whole (2) · aero-as-power (2) · frame (2)
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Showing below up to 34 results in range #1 to #34.

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