Drilldown: Patents

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Patents > National tech categories : USPC 244/151R or None & IPCs: IPC B64B1/58

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LTA (28) · envelope (8) · frame (7) · fabric (7) · Dirigible (5) · Airship (5) · balloon (5) · ballonet (4) · Construction (4) · navigation (4) · car (4) · Design (3) · stability (3) · propulsion (3) · balloons (3)
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Showing below up to 37 results in range #1 to #37.

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