Patents by Inventor by H. Jean Innerfield, executrix

by H. Jean Innerfield, executrix 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).

  • Determination of heparin in the blood
    Patent number: 4067777
    Abstract: Heparin in the blood is determined over a wide range of concentrations by measuring the clotting time of serum derived from a test specimen of blood when combined under standard conditions with thrombin and plasma solutions. The clotting time is then determined from an experimentally-established functional relationship between clotting time and heparin concentration.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: January 10, 1978
    Inventors: Irving Innerfield, deceased, by H. Jean Innerfield, executrix