Patents by Inventor William E. Graham

William E. Graham 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: 5628832
    Abstract: Adhesive is removed from polyester film which is initially formed into a flake followed by a series of removal and separating steps. In a preferred mode a clarified liquid which results from stripping solution is recycled for further use in adhesive removal.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: May 13, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William E. Graham, Richard R. M. Jones
  • Patent number: D485227
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: January 13, 2004
    Inventor: William E. Graham