Drilldown: Patents

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Patents > Office : CH or DE & Grant date: 1800 - 1899 & Number of claims: 3-11

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LTA (16) · navigation (10) · propulsion (7) · control (6) · airship (6) · None (4) · balloon (4) · dirigible (4) · frame (4) · gas (3) · car (3) · steering (2) · steam (2) · rocket (2) · marine (2) · glider (2) · hydrogen (2) · electricity (2) · design (2)
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