Patents by Inventor Chan Wai Hong

Chan Wai Hong 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).

  • Hand-held spotlight
    Patent number: D452020
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: December 11, 2001
    Assignee: Sunrich Manufactory Ltd.
    Inventor: Chan Wai Hong
  • Compass and lighted magnifier
    Patent number: D466823
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: December 10, 2002
    Assignee: Sunrich Manufactory Limited
    Inventor: Chan Wai Hong
  • Travel reading light with flashlight
    Patent number: D469555
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: January 28, 2003
    Assignee: Sunrich Manufactory Ltd.
    Inventor: Chan Wai Hong