Patents by Inventor David John Summers

David John Summers 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).

  • Dog chew
    Patent number: D517774
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: March 28, 2006
    Assignee: The Hartz Mountain Corporation
    Inventors: Tiandong Jia, Kore Y. Fung, Sharon McNamara, David John Summers