Patents by Inventor Walter Kenneth Holmes

Walter Kenneth Holmes 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).

  • Condenser tube cleaner
    Patent number: D523596
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: June 20, 2006
    Assignee: Conco Systems, Inc.
    Inventors: Walter Kenneth Holmes, Daniel R. Patterson