Patents by Inventor John F. Gierthy

John F. Gierthy 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).

  • Epithelial cell line useful in the detection of dioxinlike compounds and methods of making and using same
    Patent number: 4904595
    Abstract: This invention relates to a novel epithelial cell line, a process for the preparation of the cell line, and its use in an in vitro bioassay for dioxinlike activity based on alterations in the cell line proliferation and morphology. The proprietary cell line of this invention exhibits a dioxin-induced, reversible, postconfluent inhibition of cell proliferation and a characteristic dioxin-induced flat-cell morphology.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: February 27, 1990
    Assignee: Health Research Incorporated
    Inventor: John F. Gierthy