Patents by Inventor John J. Mandler, Jr.

John J. Mandler, Jr. 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).

  • Fetal heart rate monitor apparatus and method for combining electrically and mechanically derived cardiographic signals
    Patent number: 4519396
    Abstract: Apparatus and method for continuously monitoring the fetal heart rate simultaneously using ultrasonic and electrocardiographic signals. The signals are continuously processed to provide an improved output fetal heart rate indication in terms of better continuity and accuracy.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: May 28, 1985
    Assignee: American Home Products Corporation (Del.)
    Inventors: Paul Epstein, John S. Ballas, Jr., John J. Mandler, Jr., Joseph M. Van Horn
  • Apparatus and method for qualitatively selecting between signals representative of a physiological characteristic
    Patent number: 4489726
    Abstract: Apparatus and method for continuously monitoring the fetal heart rate simultaneously using ultrasonic and electrocardiographic signals. The signals are continuously processed to provide an improved output fetal heart rate indication in terms of better continuity and accuracy.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: December 25, 1984
    Assignee: American Home Products Corporation
    Inventors: Paul Epstein, John S. Ballas, Jr., John J. Mandler, Jr., Joseph M. Van Horn
  • Fetal heart rate monitor apparatus and method for combining electrically and mechanically derived cardiographic signals
    Patent number: 4299234
    Abstract: Apparatus and method for continuously monitoring the fetal heart rate simultaneously using ultrasonic and electrocardiographic signals. The signals are continuously processed to provide an improved output fetal heart rate indication in terms of better continuity and accuracy.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: November 10, 1981
    Assignee: Brattle Instrument Corporation
    Inventors: Paul Epstein, John S. Ballas, Jr., Joseph M. Van Horn, John J. Mandler, Jr.