Patents by Inventor Duane L. Schultz

Duane L. Schultz 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).

  • Bird house
    Patent number: D269468
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: June 21, 1983
    Assignee: Custom Packaging Co. Inc.
    Inventors: Lowell C. Babcock, Duane L. Schultz