US PATENT SUBCLASS 505 / 852
.~ Electric motor control: (Class 318)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
852.~ Electric motor control: (Class 318)

DEFINITION

Classification: 505/852

Electric motor control: (Class 318):

(under subclass 825) Subject matter wherein an electrical circuit or device, which controls the operation of an electric motor includes superconducting components.