Drilldown: Patents

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Patents > Inventor country : DE or NZ & Assigned to : Albert L. Watters or None & IPCs : IPC B64C31/06 or None & Number of claims: 5-20 & Number of figures: 5-7

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airplane (11) · Frame (8) · propulsion (6) · LTA (5) · Subsystem (5) · Airship (4) · landing (4) · propeller (4) · propellers (4) · rudder (4) · Aerodynamics (3) · Control (3) · lift (3) · airfoil (3) · navigation (3) · stability (3) · Elevator (3) · balloon (3) · whole (3)
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Showing below up to 28 results in range #1 to #28.

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