Drilldown: Patents

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Patents > Family year: 1800 - 1899 & First filing: No & Number of text pages: 2-3 & Number of claims: 3-4

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LTA (15) · propulsion (10) · frame (9) · balloon (6) · navigation (5) · stability (4) · propeller (4) · propellers (4) · flapping (4) · marine (3) · dirigible (3) · rudder (3) · design (3) · cargo (3) · car (3)
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