Patents by Inventor Frank Stopak

Frank Stopak 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).

  • Pen
    Patent number: D662134
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: June 19, 2012
    Inventor: Frank Stopak
  • Pen
    Patent number: D720811
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: January 6, 2015
    Assignee: Charles Products, Inc.
    Inventor: Frank Stopak