Patents by Inventor Tsung-Lu Wei

Tsung-Lu Wei 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).

  • Shuttlecock with luminescent means
    Patent number: 5562290
    Abstract: A shuttlecock including a feathers unit having a front coupling neck, and a light-permeable base snuggly receiving the front coupling neck of the feathers unit and defining a water-tight space, an alkaline solution filled in the water-tight space, and a film-covered luminol ball disposed in the alkaline solution, the luminol of the luminol ball is activated by the alkaline solution to produce a brilliant bluish luminescence when the luminol ball is broken by an external force being applied to the base.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: October 8, 1996
    Inventor: Tsung-Lu Wei