Patents by Inventor David K. Conner

David K. Conner 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).

  • Dual brush vacuum cleaner
    Patent number: D358631
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: May 23, 1995
    Inventor: David K. Conner