Patents by Inventor Jack Lippes

Jack Lippes 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).

  • Method for monitoring fetal-material circulation time
    Patent number: 4821732
    Abstract: A method of monitoring fetal and maternal circulatory times as an indicator of fetal distress, involving the detection and measurement of the concentration of a gas transdermally diffused through the skin of the mother and the fetus, subsequent to inhalation of the gas by the mother. Time and concentration values are then compared to provide indications of distress in the fetus.
    Type: Grant
    Filed: April 23, 1987
    Date of Patent: April 18, 1989
    Inventor: Jack Lippes