Patents by Inventor David Lee Roberson

David Lee Roberson 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 frame
    Patent number: D553318
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: October 16, 2007
    Assignee: Woodbury Box Company, Inc.
    Inventors: Daniel T. Fuller, David Lee Roberson