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Patents > Inventors : Elmer Ambrose Sperry or Hugh Oswald Short

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None (8) · LTA (6) · airplane (5) · gyroscope (5) · navigation (4) · compass (3) · rudder (3) · instrument (3) · stability (3) · construction (2) · electricity (2) · valves (2) · flying machines (2) · frame (2) · wings (2) · hydroaeroplane (2)
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Showing below up to 33 results in range #1 to #33.

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