Patents Assigned to Ecko Group, Inc.
  • Cat litter box
    Patent number: D399613
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: October 13, 1998
    Assignee: Ecko Group, Inc.
    Inventors: Anthony O'Rourke, Kevin Kolozsvari, Paul A. Berman, Keith M. Kaucher