Patents by Inventor Russel F. Bullock

Russel F. Bullock 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).

  • Patent number: 4246907
    Abstract: At least the polarity of a potential difference between two spaced apart portions of the body of a woman is repeatedly measured on each day throughout at least a substantial portion of the days of a menstrual cycle of the woman. The days in which the measurements indicate at least two readings of oppposite polarity are identified as days immediately preceding the time of ovulation of the woman.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: January 27, 1981
    Inventor: Russel F. Bullock