Patents Assigned to Marlys A. Sliger
  • Patent number: 4606083
    Abstract: Thin, flexible sheets of water-impervious plastic material have their margins heat-sealed together and enclose a layer of insulating material of a size sufficient to cover the internal area of a tub. An internal bladder is of a size sufficient to cover at least the major portion of the water surface area of the tub, is supported on the intermediate sheet and itself is covered by a thicker, weather-resistant top sheet. The margins of all of the sheets are secured together and adapted to be secured to the curb or deck of the tub.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: August 19, 1986
    Assignee: Marlys A. Sliger
    Inventor: James E. Kingston