Drilldown: Patents

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Patents > National tech categories : AT 77d or USPC 244/3.23 & Number of claims: None

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None (11) · Reinhold Richter (4) · Stefan Hunyor de Visoly (2) · Lincoln A. Merriam (2) · Ludwig Schmidl (2)
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Tech fields:
airplane (18) · military (16) · projectile (15) · frame (13) · subsystem (10) · propellers (7) · LTA (6) · design (6) · Wings (6) · stability (6) · propulsion (6) · flapping (5) · construction (5) · propeller (4) · control (4) · whole (4) · aerodynamics (4) · airship (4) · airfoil (4)
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Showing below up to 61 results in range #1 to #61.

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