Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or FI or NL or NZ or US or Other & Tech fields: control & Assigned to: None & Number of figures: None

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Inventors:
Bernard de Beer (2) · None (2) · Henry L. Coakley (2)
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None (5) · Henry L. Coakley (2) · Bernard de Beer (2)
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Showing below up to 47 results in range #1 to #47.

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