Drilldown: Patents

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Patents > Office: ES & Filing date: 1910 - 1919

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None (4) · Leonardo Torres Quevedo (3) · August Wendtland (3) · Louis Constantin (3) · Charles Denniston Burney (3) · Cosimo Canovetti (2) · Joseph de Pierpont de Burnot (2) · Joseph Wetterwald (2) · Gaston Hervieu (2) · Nazaire Lacrotte (2) · Enrique Sanchis (2) · Antoine-Padoue Filippi (2) · Hermann Ruthenberg (2)
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