Drilldown: Patents

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Patents > Filing date: 1890 - 1899 & National tech categories: FR 6.3 & Number of claims: None

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Clément Ader (3) · Hébert (2) · Chevrey (2) · Juppont (2) · Pieri (2) · Gustav Koch (2)
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None (18) · Chevrey (2) · Juppont (2) · Pieri (2) · Koch (2)
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LTA (16) · balloon (9) · Navigation (9) · propulsion (9) · dirigible (8) · None (7) · Airplane (6) · aerostat (5) · whole (5) · dirigibles (5) · construction (4) · propellers (4) · parachute (4) · instrument (4) · airfoil (4) · infrastructure (3) · possibly “flapping” (3) · Hybrid (3)
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