Patents by Inventor Ken F. Clausen

Ken F. Clausen 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).

  • Dust mop head
    Patent number: D366740
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: January 30, 1996
    Assignee: Rubbermaid Incorporated
    Inventors: Ken F. Clausen, Vincent L. Haley