Patents Assigned to Stain Eraser, Inc.
  • Method of cleaning tile grout
    Patent number: 7048611
    Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: May 23, 2006
    Assignee: Stain Eraser, Inc.
    Inventor: Roy J. Walters