Patents by Inventor William C. Onsrud

William C. Onsrud 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).

  • Occupancy sensor cover
    Patent number: D320758
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: October 15, 1991
    Assignee: National Service Industries, Inc.
    Inventors: William R. Lutz, William C. Onsrud