Patents by Inventor Claude L. Charest

Claude L. Charest 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: 5071680
    Abstract: The disclosure herein describes an improved method for making decorative inlaid types of sheet materials which consists of forming, on a sheet of flexible substrate, a layer of plastisol or organosol containing resinous porous particles. The improvement consists in blending the resinous porous particles with the plastisol or organosol by slow agitation, under vacuum.
    Type: Grant
    Filed: July 17, 1990
    Date of Patent: December 10, 1991
    Assignee: Domco Industries Ltd.
    Inventors: Claude L. Charest, Jean-Francois Courtoy