Patents Assigned to PowerMadd, Inc.
  • Patent number: D492623
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: July 6, 2004
    Assignee: PowerMadd, Inc.
    Inventors: Ernest J. DeLanghe, Joseph W. Pfankuch, Mathew J. Pfankuch, Robert J. Hurd