Patents by Inventor William F. Swietzer

William F. Swietzer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4273820
    Abstract: Decorative sheet type material and process for making same. The material comprises a substrate, an embossed foamed plastic layer, a translucent layer having raised portions corresponding to embossed portions of the embossed layer and preferably a wear layer. The process involves forming an embossed foamed plastic layer on a substrate, covering the embossed layer with a layer of heat curable translucent plastic and then heating the materials sufficiently to cure the translucent plastic and also to allow embossed portions of the embossed layer to partially expand to create raised portions of the translucent layer corresponding to embossed areas of the embossed layer.
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: June 16, 1981
    Assignee: GAF Corporation
    Inventor: William F. Swietzer