Patents by Inventor Henri Fontenille

Henri Fontenille 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: 3940523
    Abstract: A decorative object comprising an acrylic glass support plate and differently colored polymethyl methacrylate layers and zones thereupon, on one or both major surfaces of the plate, differently colored zones and vertically superposed layers of polymethyl methacrylate being separated from each other and from the support plate by barrier elements and layers respectively which are optically and mechanically compatible with but completely insoluble in and unpenetrable by polymethyl methacrylate.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: February 24, 1976
    Assignee: Bercher S.A. Publicite Generale
    Inventors: Georges Lecoeur, Henri Fontenille