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Patents > Year granted: 1922 & IPCs: None

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airplane (16) · frame (10) · design (8) · stability (6) · construction (6) · military (5) · subsystem (5) · biplane (4) · propeller (4) · propellers (4) · None (4) · rudder (3) · fuselage (3) · LTA (3) · aerodynamics (3) · hydroaeroplane (3) · metal (3) · aileron (3)
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Showing below up to 38 results in range #1 to #38.

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