Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Tech fields : Stability or propeller

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Inventors:
Richard Czygan (4) · Edward Joel Pennington (3) · Perham Wilhelm Nahl (3) · Stewart Cairncross (3) · Octave Chanute (2) · Georg Gabrielii (2) · Hermann Ganswindt (2) · Hubbell Duane Hurlbut (2) · Dr. Bernhard Reinhard Beenen (2)
Applicant person:
None (45) · Perham Wilhelm Nahl (3) · Richard Czygan (3) · Georg Gabrielii (2)
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National tech categories:
None (24) · DE 77 (21) · GB 4 propel & steer (9) · GB 4 without buoyant (6) · FR 6.3 (5) · GB 4 aëroplanes (5) · USPC 244/30 (4) · GB 4 framework (3) · GB 4 starting (3) · GB 4 aërostats (2) · GB 4 landing (2) · USPC 244/93 (2) · USPC 244/16 (2)
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Showing below up to 92 results in range #1 to #92.

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