Drilldown: Patents

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Patents > Filing date: 1902 & Number of claims: 2-3

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LTA (12) · propulsion (7) · None (5) · balloon (5) · whole (3) · Airship (3) · navigation (3) · flapping (3) · frame (3) · heavier-than-air (2) · suspension (2) · stability (2) · Propellers (2) · propeller (2) · Hybrid (2) · wings (2) · design (2) · dirigible (2) · captive (2) · car (2)
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