Patents by Inventor Yeung Yat Cheun

Yeung Yat Cheun 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).

  • Patent number: D471471
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: March 11, 2003
    Assignee: Timex Group B.V.
    Inventors: Tsang Man Fu, Yeung Yat Cheun