Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & National tech categories : FR 6.3 or USPC 244/80

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Inventors:
Clément Ader (5) · de Préneuf (3) · Hofmann (3) · E. J. Delaurier (3) · Gentil (3) · Hébert (2) · Boiffin (2) · Desmarest (2) · Federico Capone (2) · Pieri (2) · Chevrey (2) · Juppont (2) · Boubillon (2) · Société Internationale d’Éclairage par le gaz d’huile (2) · Chaigneau (2) · ALAUX (2) · Jean Dusséqué (2) · Baudin (2) · Arson (2) · Haarbleicher (2)
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None (75) · Gentil (3) · de Préneuf (3) · Pieri (2) · Hofmann (2) · Jean Dusséqué (2) · Federico Capone (2) · Juppont (2) · Chevrey (2) · Chaigneau (2) · Haarbleicher (2)
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None (67) · Blétry aîné (13) · Société Marillier et Robelet (11) · Chassevent (8) · Armengaud aîné (8) · Armengaud jeune (7) · Société Louis Gudman et Cie (5) · Société Matray frères (4) · Casalonga (4) · Josse (4) · Caron (3) · Fayollet (3)
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