Patents by Inventor Pierre Wernli

Pierre Wernli 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).

  • Anti-slip serving tray and the method of manufacturing thereof
    Patent number: 4163818
    Abstract: An anti-slip tray and the method of manufacturing it. Sheets of paper impregnated with melamine resin and paper sheets impregnated with phenolic resin are stacked in a pile. A loosely woven cloth covers the pile. Its upper face or major surface is covered with a layer of porous PVC which can be decorative. The cloth has a plurality of perforations. The cloth and pile are molded under heat and pressure.
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: August 7, 1979
    Inventor: Pierre Wernli