Patents by Inventor Phillip H. Mitchell

Phillip H. Mitchell 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).

  • Power converter
    Patent number: D255895
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: July 15, 1980
    Assignee: JMJ Electronics Corp.
    Inventor: Phillip H. Mitchell