Patents by Inventor Paul M. Zoll

Paul M. Zoll 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).

  • External noninvasive electric cardiac stimulation
    Patent number: 4349030
    Abstract: Reducing pain from external noninvasive electric cardiac stimulation through the use of electrodes with large-surface, non-metallic, skin-contacting members providing low current density, and also through the use of a pulse generator for the electrodes that provides constant current without spikes throughout a prolonged pulse of greater than 5 milliseconds duration.
    Type: Grant
    Filed: July 10, 1980
    Date of Patent: September 14, 1982
    Assignee: Ross H. Zoll
    Inventors: Alan H. Belgard, Paul M. Zoll, Ross H. Zoll
  • Mechanical pacemaker
    Patent number: 4265228
    Abstract: A mechanical pacemaker for impacting on the outside of the chest to provide cardiac stimulation in which impact means drive an impact surface in discrete impacts against the chest, with circuitry to actuate the impact means in response to the electrical output of a cardiac monitor.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: May 5, 1981
    Inventor: Paul M. Zoll
  • Electrode
    Patent number: 4058128
    Abstract: An electrode useful inter alia for secure and reliable implantation in a human heart which has a barb element sharp in one longitudinal direction and dull in the other, and a placement element alongside the barb and spaced a predetermined distance from it.
    Type: Grant
    Filed: August 26, 1976
    Date of Patent: November 15, 1977
    Inventors: Howard A. Frank, Paul M. Zoll