Patents by Inventor Karl L. Hopper

Karl L. Hopper 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).

  • Wall-mounted lighting fixture
    Patent number: D412040
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: July 13, 1999
    Assignee: National Service Industries, Inc.
    Inventors: Joseph C. Hudak, Karl L. Hopper