Patents by Inventor Chan-san Hui

Chan-san Hui 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).

  • Alarm clock
    Patent number: D407983
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: April 13, 1999
    Assignees: OEM Electronics Limited, Grow Up Electronics Limited
    Inventor: Chan-san Hui
  • Alarm clock
    Patent number: D408296
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: April 20, 1999
    Assignees: OEM Electronics Limited, Grow Up Electronics Limited
    Inventor: Chan-san Hui