Patents by Inventor Dang-Sheng Liang

Dang-Sheng Liang 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).

  • Insect bait station
    Patent number: 5943816
    Abstract: An apparatus for liquid bait-toxicant delivery with feeding pores comprising a reservoir, a feeding disk with capillary feeding pores, a base that will seal the feeding pores when the station is closed; designed such that it can be opened or closed by several different arrangements; and a method of delivery of liquid bait-toxicant using capillary feeding pores in direct contact with liquid without using wicking material.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: August 31, 1999
    Assignee: The Clorox Company
    Inventors: Stephanie H. Hyatt, Dang-Sheng Liang