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Patents > Inventor country: GB & Grant date: 1912 & Related to aircraft: Yes

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design (6) · stability (6) · propeller (6) · airplane (5) · frame (5) · propulsion (5) · LTA (5) · aerodynamics (4) · helicopter (3) · None (3) · construction (2) · control (2) · propellers (2) · gyroscope (2) · heavier-than-air (2) · balloon (2) · airfoil (2) · navigation (2)
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Showing below up to 28 results in range #1 to #28.

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