Patents by Inventor Su Tseng

Su Tseng 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).

  • Illuminating umbrella handle
    Patent number: 4881154
    Abstract: An umbrella handle with a pivotable torch, in which two dry batteries are received on both sides of the umbrella shift. The wiring of the handle is such that when the torch is turned over a specific angle, it is switched on. This structure optimally utilize the available space and minimize the size of the handle.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: November 14, 1989
    Inventors: Su Tseng, Wan S. Chien