Patents by Inventor Phillip Stephenson

Phillip Stephenson 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: D581459
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: November 25, 2008
    Assignee: Block and Company, Inc.
    Inventor: Phillip Stephenson
  • Patent number: D607673
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: January 12, 2010
    Assignee: Block and Company, Inc.
    Inventors: Phillip Stephenson, Shirley Reed, Pamela L. Kaloustian