Drilldown: Patents

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Patents > National tech categories : BE K or FR 6.3 or USPC 244/30 & Cites these patents : 1 or 1913 or None & Citations from after 1930: None & Number of text pages: 2 & Number of claims: None

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navigation (10) · LTA (9) · Propulsion (8) · aerostat (8) · airplane (7) · balloon (6) · stability (3) · propeller (3) · sustentation (3) · dirigible (3) · hybrid (2) · steering (2) · nacelle (2) · wings (2) · equilibrium (2) · control (2) · ascension (2) · aileron (2) · design (2)
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Showing below up to 23 results in range #1 to #23.

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