Patents by Inventor Gaylord Chan

Gaylord Chan 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).

  • Apparatus for generating positive and negative electric pulses for application to a living body for therapeutic purposes
    Patent number: 3946745
    Abstract: Apparatus for treating organisms for therapeutic purposes consists in applying thereto by means of electrodes an electrical signal comprising successive pairs of pulses, the pulses of each pair being of opposite polarity. The apparatus has an electrode arrangement for application to the organism and a signal generator for supplying to the electrode arrangement the signal comprising successive pairs of pulses, the pulses of each pair being of opposite polarity. The generator has controls for varying independently of one another the amplitude of the pulses of each polarity, the duration of the pulses of each polarity, the interval between the pulses of each pair, and the interval between successive pairs of pulses.
    Type: Grant
    Filed: March 18, 1974
    Date of Patent: March 30, 1976
    Assignee: Biopulse Company Limited
    Inventors: Wen Hsiang-Lai, Gaylord Chan