Patents Examined by P. Futtarelli
  • Biocide dispensing device for use in container
    Patent number: 5417676
    Abstract: An apparatus is disclosed comprising in combination (1) a container for receiving a fluid, and having an exit port, and (2) a delivery system designed for passage through the exit port into the container for releasing a biocide inside the container.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: May 23, 1995
    Assignee: Alza Corporation
    Inventors: Tyler Watanabe, Su I. Yum, Eun S. Lee, Ivan W. Chin