Patents by Inventor John Prawdzik

John Prawdzik 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: 4816314
    Abstract: An improved release medium is disclosed for use in the production of decorative laminates by pressure consolidation. The release medium comprises a self-sustaining release sheet having at least one of its surfaces coated with a composition comprised of mineral particles dispersed in a resinous matrix. The release medium may be used to apply an abrasion-resistant coating to the surface of a decorative laminate during production of the laminate by pressure consolidation.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: March 28, 1989
    Assignee: Technographics, Inc.
    Inventors: John Prawdzik, Norman F. Maxim, William C. Lane, Christo Antonio
  • Patent number: 4689102
    Abstract: An improved release medium is disclosed for use in the production of decorative laminates by both low or high pressure consolidation. The release medium comprises a self-sustaining release sheet having at least one of its surfaces coated with a composition comprised of mineral particles dispersed in a resinous matrix. The release medium may be used to apply an abrasion-resistant coating to the surface of a decorative laminate during production of the laminate by pressure consolidation.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: August 25, 1987
    Assignee: Technographics Fitchburg Coated Products, Inc.
    Inventors: John Prawdzik, Norman F. Maxim, William C. Lane, Christo Antonio