Drilldown: Patents

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Patents > Year granted: 1897 & CPCs : CPC B64C31/02 or None

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Edward Joel Pennington (5) · Gustav Fricke (2) · Peter Irgens Bagge (2) · Octave Chanute (2) · Hébert (2) · August Riedinger (2) · Rudolf Diesel (2) · Gustav Lilienthal (2) · E. J. Delaurier (2)
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Showing below up to 65 results in range #1 to #65.

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