Drilldown: Patents

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Patents > National tech categories : DE 77 or FR 6 & First filing: No

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Inventors:
Louis-Honoré Gauthier (5) · None (2) · Rudolf Chillingworth (2) · Carl Alfred Johansson (2) · Pierre-Nicolas-Victor Lahérard (2) · F. Gaebert (2) · Henry Boinet (2)
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Tech fields:
LTA (38) · navigation (23) · propulsion (19) · balloon (17) · car (11) · frame (10) · marine (9) · propeller (8) · propellers (8) · submarine (6) · stability (5) · None (4) · dirigible (4) · hybrid (3) · rudder (3) · flapping (3) · piloting (3)
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