Patents by Inventor Kui-Wai Chan

Kui-Wai Chan 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).

  • Clock with radio
    Patent number: D514546
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: February 7, 2006
    Assignee: Wai Hang Electronic Company Limited
    Inventor: Kui-Wai Chan
  • Radio with clock and CD player
    Patent number: D491913
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: June 22, 2004
    Assignee: Wai Hang Electronic Company Limited
    Inventor: Kui-Wai Chan
  • Radio with cassette player
    Patent number: D405789
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: February 16, 1999
    Assignee: Wai Hang Electronic Co., Ltd.
    Inventor: Kui-Wai Chan
  • Radio with cassette player
    Patent number: D416019
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: November 2, 1999
    Assignee: Wai Hang Electronic Co., Ltd.
    Inventor: Kui-Wai Chan
  • Radio with alarm clock
    Patent number: D420352
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: February 8, 2000
    Assignee: Wai Hang Electronic Co., Inc.
    Inventor: Kui-Wai Chan