Drilldown: Patents

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Patents > Office: DE & Patent agent: None & Family year: 1909

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None (4) · Louis Blériot (3) · O. Koch (2) · Gustav Mees (2) · Otto Koch (2)
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None (33) · Frame (7) · Airplane (7) · propeller (7) · propulsion (7) · LTA (6) · Design (4) · Stability (4) · automatic stability (4) · balloon (3) · Control (3) · whole (3) · flapping (3) · Construction (3) · Tragfläche (3) · subsystem (3)
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Showing below up to 68 results in range #1 to #68.

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