Patents by Inventor William J. Platka, III

William J. Platka, III 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).

  • Method for making simulated marble and product of the method
    Patent number: 4244993
    Abstract: An improved method for the manufacture of simulated marble and onyx products is disclosed. The process comprises the steps of applying a substantially clear coating to a mold, applying a first layer of a mixture of polyester resin and filler over the coating, forming readily visible striations in the first layer of resin and filler, applying a layer of glass fibers thereover, applying a second layer of polyester resin and filler over the layer of glass fibers and permitting the various layers to completely cure so as to form the final product.
    Type: Grant
    Filed: July 10, 1979
    Date of Patent: January 13, 1981
    Assignee: P & G Products, Inc.
    Inventors: William J. Platka, III, Richard A. Ganger