Patents by Inventor Phillip W. Hess

Phillip W. Hess 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: D263051
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: February 16, 1982
    Assignee: Caterpillar Tractor Co.
    Inventors: Jan K. Allen, Phillip W. Hess