Drilldown: Patents

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Patents > Applicant type: None & National tech categories: DE 77

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LTA (22) · balloon (13) · frame (11) · propulsion (11) · navigation (11) · car (7) · propeller (6) · None (4) · dirigible (3) · flapping (3) · wheels (2) · stability (2) · rudder (2) · ornithopter (2) · hydrogen (2) · gas (2)
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Showing below up to 37 results in range #1 to #37.

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