Patents by Inventor Roy E. McDonnell

Roy E. McDonnell 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).

  • Electrical control of body discharges and headaches
    Patent number: 4537195
    Abstract: Electrical stimulation through externally applied electrodes is used to control discharge from a stoma. The electrical signals applied to the electrodes have a frequency in the range of 10 Hz to 80 Hz, and a voltage level in the range of 20 volts to 60 volts. Apparatus for effecting the electrical stimulation is described. The electrodes may be ECG electrodes or formed as a pair of discs molded into an insulating pad.
    Type: Grant
    Filed: July 16, 1982
    Date of Patent: August 27, 1985
    Inventor: Roy E. McDonnell