Patents by Inventor William E. Clarkin

William E. Clarkin 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: D483497
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: December 9, 2003
    Inventor: William E. Clarkin
  • Patent number: D490538
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: May 25, 2004
    Inventor: William E. Clarkin