Patents by Inventor Xiuling Shun

Xiuling Shun 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).

  • Synchronized equation clock
    Patent number: D413270
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: August 31, 1999
    Assignee: Ziweixing Electronic Industrial Corporation
    Inventor: Xiuling Shun
  • Watchface
    Patent number: D426485
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: June 13, 2000
    Assignee: Ziweixing Electronic Industrial Corp.
    Inventor: Xiuling Shun