Powdered Element Patents (Class 338/88)
  • Patent number: 5064995
    Abstract: A heating device including a body comprised of two or more strata of electrically conductive refractory particles, a supporting element of a refractory material between adjacent strata and an arrangement for passing an electrical current through the body.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: November 12, 1991
    Inventor: Miroslav Pesta