Patents by Inventor Richard J. Batten

Richard J. Batten 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).

  • Tri-cuspid three-tissue prosthetic heart valve
    Patent number: 4172295
    Abstract: This invention relates to improvements in a tri-cuspid tissue prosthetic heart valve having a valve body with sewing holes provided at each interval between the cusps of the valve, which improvements are realized by the formation of the tissue from three pieces joined together at seams disposed along the intervals between the cusps of the valve.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: October 30, 1979
    Assignee: Shiley Scientific, Inc.
    Inventor: Richard J. Batten