Patents by Inventor Ming Yu Lien

Ming Yu Lien 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).

  • Joy pad
    Patent number: D387392
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: December 9, 1997
    Assignee: Sysgration Ltd.
    Inventor: Ming Yu Lien
  • Surge protector
    Patent number: D412488
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: August 3, 1999
    Assignee: Sysgration Ltd.
    Inventor: Ming-Yu Lien
  • Surge protector
    Patent number: D421741
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: March 21, 2000
    Assignee: Sysgration Ltd.
    Inventor: Ming Yu Lien