Patents by Inventor Ronald K. Pulsifer

Ronald K. Pulsifer 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).

  • Stress:strain materials testing instrument
    Patent number: D351804
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: October 25, 1994
    Assignee: Instron Corporation
    Inventors: Charles W. Kellstedt, Jr., Joel Lieblein, Richard J. Mahoney, III, Paulo A. Martin, Graham E. Mead, Ronald K. Pulsifer, David W. Scanlon