Patents by Inventor Shih-Ping Lee

Shih-Ping Lee 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: 5218995
    Abstract: A three-way valve assembly connected between the purified water delivery tube and the pressure tank of a reverse osmosis water purifier, which includes a casing having a three-way valve controlled by a rotary lever to open or close the passage way through the casing, and a meter fastened to the casing to measure the quantity of water in the pressure tank.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: June 15, 1993
    Inventor: Shih-Ping Lee