Patents by Inventor Joseph Thomas Hatfield

Joseph Thomas Hatfield 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).

  • Hand truck
    Patent number: D465634
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: November 12, 2002
    Assignee: Magline, Inc.
    Inventors: Richard P. Botzau, Joseph Thomas Hatfield, Jerry J. McQuarter, Daniel C. Munn