Patents by Inventor Dana C. Finlayson

Dana C. Finlayson 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).

  • Electrode switching means for use in a defibrillator
    Patent number: 4164215
    Abstract: A defibrillator is described having separate amplifiers for the paddles and the ECG electrodes and means for supplying cardiographic signals to an output amplifier from the amplifier associated with the ECG electrodes when they are properly attached to the patient and for automatically coupling cardiographic signals to the output amplifier from the amplifier associated with the paddles if any combination of the ECG electrodes become improperly attached.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: August 14, 1979
    Assignee: Hewlett-Packard Company
    Inventors: Dana C. Finlayson, Ronald D. Gatzke, Robert L. Stettiner