Drilldown: Patents

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Patents > Office: DE & National tech categories : DE 77 or USPC 244/30 or None & Number of figures: 6-9

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LTA (18) · navigation (9) · propulsion (8) · balloon (4) · frame (4) · car (4) · None (4) · control (3) · marine (2) · design (2) · dirigible (2) · propeller (2) · flapping (2) · airship (2) · steering (2) · stability (2)
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Showing below up to 31 results in range #1 to #31.

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