Patents by Inventor John Miles Walker

John Miles Walker 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).

  • Pump
    Patent number: D403329
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: December 29, 1998
    Assignee: Beckett Corporation
    Inventors: John Miles Walker, Douglas Brent Enns