TUTTLE, District Judge.
This suit involves United States patent No. 1,822,679, issued to Duncan J. Stewart and Edgar D. Lilja on September 8, 1931. It has to do with small-size, alternating current induction motors of the core type. This type of motor consists of a stator, composed of steel laminations, with a portion of the stator encircled by a coil of copper wire known as the "field coil." In these laminations is a circular opening into which a rotor is placed...
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