Patents by Inventor Andrew J. Branch

Andrew J. Branch 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).

  • Step counting device and method
    Patent number: 4175446
    Abstract: The number of steps taken while walking are counted by straining a fatigue life gauge to change its electrical resistance each time the device is stepped on by a subject. The change in resistance of the fatigue life gauge is measured to ascertain the approximate number of steps taken.
    Type: Grant
    Filed: April 26, 1978
    Date of Patent: November 27, 1979
    Assignee: The University of Iowa Research Foundation
    Inventors: Roy D. Crowninshield, Andrew J. Branch