Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or NL or NZ or US or Other or None & Tech fields: control & Publication date: 1910 - 1919 & Patent agent: None

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None (5) · Joseph Wetterwald (4) · Henry Calder Lobnitz (4) · Jean Georges Ramel (3) · Albéric de la Celle (2) · Paul Lehmann (2) · Paul Robin (2) · Carlo Navaro (2)
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None (9) · Joseph Wetterwald (4) · Henry Calder Lobnitz (4) · Jean Georges Ramel (3) · Paul Robin (2) · Paul Lehmann (2) · Carlo Navaro (2) · Albéric de la Celle (2)
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