Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & National tech categories : FR 6.3 or USPC 244/22

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Clément Ader (4) · Vicomte Decazes (3) · Gustav Koch (3) · Hébert (2) · Joseph Monpelas de Dax (2) · Pieri (2) · Louis Capazza (2) · Juppont (2) · Hofmann (2) · Federico Capone (2) · Arson (2) · Chevrey (2)
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None (26) · Koch (3) · Pieri (2) · Federico Capone (2) · Clément Ader (2) · Chevrey (2) · Juppont (2) · Hofmann (2)
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Showing below up to 104 results in range #1 to #104.

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