US PATENT SUBCLASS 600 / 13
.~ Electromagnetic coil

Current as of: June, 1999
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600 /   HD   SURGERY

9  DF  MAGNETIC FIELD APPLIED TO BODY FOR THERAPY {5}
13.~ Electromagnetic coil {1}
14  DF  .~.~> Pulsating field

DEFINITION

Classification: 600/13

Electromagnetic coil:

(under subclass 9) Subject matter wherein a device consisting of an iron or steel core is surrounded by a wound wire spiral of an indefinite number of turns through which electricity passes to generate the magnetic field in said iron or steel core.