Patents by Inventor Ren Rong Wei

Ren Rong 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).

  • Patent number: 5897117
    Abstract: A relaxing device in the form of a hard, hollow ball with a smooth hard coating decorated with a number of figure 8s to simulate the 8-ball in pocket billiards. A bell is mounted within the ball. Manipulation of the ball produces pleasant sensations of feel, sight, and sound.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: April 27, 1999
    Inventor: Ren Rong Wei