Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Related to aircraft : 0? or 1911-07-04 or Yes & National tech categories: FR 6.3

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Guégnot (4) · de Schuttenbach (3) · Gignoux (3) · Georg Wellner (3) · Gaston Tissandier (3) · Folacci (2) · Yon (2) · Jardim (2) · Gros (2) · Ferdinand-Charles-Honoré-Philippe d'Esterno (2) · Bary (2) · Foucher (2) · Phérékyde (2) · Frederick William Brearey (2)
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navigation (31) · LTA (25) · propulsion (24) · balloon (12) · aerostat (10) · airship (10) · ascension (5) · balloons (5) · stability (3) · dirigible (3) · steam (3) · texture (3) · sail (2) · rigid (2) · airplane (2) · frame (2)
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Showing below up to 81 results in range #1 to #81.

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