Drilldown: Patents

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Patents > Assigned to: None & National tech categories : DE 77 or FR 5.8 & Number of text pages: 1

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None (3) · Louis Genton (2) · Richard Czygan (2) · Henry Boinet (2)
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Tech fields:
LTA (26) · balloon (13) · propulsion (12) · propeller (8) · control (6) · car (6) · motors (5) · frame (5) · navigation (4) · dirigible (3) · pulleys (3) · marine (3)
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Showing below up to 49 results in range #1 to #49.

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