Patents by Inventor I. Jon Russell

I. Jon Russell 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: 4823807
    Abstract: Arthritis and related diseases are diagnosed by recording sound from a joint moving against a predefined resistance or a controlled velocity, and correlating the acoustic amplitude and instantaneous frequency with the joint angle.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: April 25, 1989
    Assignee: Board of Regents, Univ. of Texas System
    Inventors: I. Jon Russell, Thomas C. Carlson, Gilbert A. Vipraio