Patents by Inventor Hing Ling Tsang

Hing Ling Tsang 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).

  • Interactive toy package
    Publication number: 20080289297
    Abstract: A battery-operated mobile toy vehicle is mounted for movement within a compartment of an interactive package. A switch having a depressable portion extends through a cover of the package. A flexible conductor connected to the switch and to the toy vehicle is operative for conducting electrical energy between the switch and the toy vehicle and for causing the toy vehicle to move within the compartment when the depressable portion is depressed.
    Type: Application
    Filed: May 24, 2007
    Publication date: November 27, 2008
    Inventor: Hing Ling Tsang