Patents by Inventor Frank C. Cosmas

Frank C. Cosmas 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: 6025052
    Abstract: A synthetic slate roofing member composed of solid surfacing material and configured to realistically resemble the appearance and texture of natural slate while being lighter in weight, more durable and less costly than natural slate. The solid surfacing material preferably incorporates various additives and fillers to enhance the physical properties and appearance of the member.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: February 15, 2000
    Inventors: Ronald L. Maurer, Frank C. Cosmas
  • Patent number: 5648144
    Abstract: A synthetic slate roofing member composed of solid surfacing material and configured to realistically resemble the appearance and texture of natural slate while being lighter in weight, more durable and less costly than natural slate. The solid surfacing material preferably incorporates various additives and fillers to enhance the physical properties and appearance of the member.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: July 15, 1997
    Inventors: Ronald L. Maurer, Frank C. Cosmas