Patents Assigned to Ken-Bar Inc.
  • Encapsulated water impervious electrical heating pad
    Patent number: 5477033
    Abstract: An encapsulated water impervious electrical heating pad adapted for use in moist and rough handling conditions, as in a greenhouse environment includes an electrical resistance heating element sandwiched between a pair of sheets, the sheets having inner layers formed from a tacky pressure-sensitive adherent material and an outer protective layer of a water impervious polymer.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: December 19, 1995
    Assignee: Ken-Bar Inc.
    Inventor: Peter Bergholtz