Patents by Inventor Tseng Shen-Ko

Tseng Shen-Ko 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).

  • Movement-controlled light emitting device
    Patent number: 5371662
    Abstract: A movement-controlled light emitting device includes a conductive swivel device rotatably fastened inside a casing mounted on a sports shoe and oscillated to intermittently connect the two opposite ends of a light emitting circuit as the shoe is moved, causing the light emitting element of the light emitting circuit to emit light intermittently.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: December 6, 1994
    Inventor: Tseng Shen-Ko