Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Office : CU or DE or FR or GB & Tech fields : navigation or propellers & CPCs: None

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Inventors:
Ernest Wilson (3) · Edward Joel Pennington (3) · Charles John Evans (2) · Louis-Amédée Reynal (2) · Edward Zarski (2) · Dr. Bernhard Reinhard Beenen (2)
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Showing below up to 66 results in range #1 to #66.

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