Patents by Inventor Mark Charles Williams

Mark Charles Williams 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).

  • Etching blade
    Patent number: D637876
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: May 17, 2011
    Inventor: Mark Charles Williams