Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Year granted: 1897 & Application number: None

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Edward Joel Pennington (6) · Rudolf Diesel (2) · Gustav Fricke (2) · William Cowell Sly (2) · Octave Chanute (2) · Hébert (2)
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None (36) · Gustav Fricke (2)
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None (21) · FR 6.3 (13) · DE 77 (11) · GB 4 propel & steer (5) · GB 4 without buoyant (5) · GB 4 aëroplanes (2) · GB 4 with buoyant (2) · USPC 244/16 (2)
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Showing below up to 72 results in range #1 to #72.

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