Patents by Inventor Robert A. Penas

Robert A. Penas 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: 6006735
    Abstract: An automated stoneworking system and method for cutting and shaping various stone materials, such as marble and granite, in any number of preprogrammed fashions so as to eliminate the need for manual stoneworking operations.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: December 28, 1999
    Assignee: Park Industries, Inc.
    Inventors: Thomas L. Schlough, Robert A. Penas, James P. O'Connor