Patents Assigned to ZM International, Inc.
  • Boot
    Patent number: D446911
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: August 28, 2001
    Assignee: ZM International, Inc.
    Inventor: Liping Yang
  • Boot
    Patent number: D447319
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: September 4, 2001
    Assignee: ZM International, Inc.
    Inventor: Liping Yang