Patents by Inventor Yiu T. Ip

Yiu T. Ip 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).

  • Desk clock
    Patent number: D357190
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: April 11, 1995
    Assignee: Artfield Manufacturing Company Limited
    Inventor: Yiu T. Ip