Patents by Inventor Chance E. Martenson

Chance E. Martenson 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).

  • Display package for shoe inserts
    Patent number: D361510
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: August 22, 1995
    Assignee: Northwest Podiatric Laboratory, Inc.
    Inventors: Roger W. Jordan, Rand A. Lien, Chance E. Martenson