Drilldown: Patents

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Patents > Grant date: 1870 - 1879 & First filing: No

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Inventors:
Barbier (2) · Villard (2) · Couturier (2) · Vergez (2) · Ernst Georg August Baumgarten (2)
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None (15) · Villard (2) · Couturier (2) · Vergez (2) · Barbier (2)
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Tech fields:
navigation (28) · propulsion (18) · aerostat (13) · balloon (11) · propellers (10) · airship (9) · propeller (8) · LTA (8) · construction (7) · balloons (6) · None (5) · hydrogen (4) · frame (4) · stability (4) · flapping (4) · parachute (3)
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