Patents by Inventor James Joe Lewis

James Joe Lewis 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).

  • Acoustic alert communication system with enhanced signal to noise capabilities
    Patent number: 7170404
    Abstract: System, device and method for alerting an individual to an alert condition using acoustic alarms having less sensitivity to multipath distortion and having improved inherent signal to noise ratio properties, wherein the acoustic alarms are readily distinguishable using standard digital processing techniques.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: January 30, 2007
    Assignee: Innovalarm Corporation
    Inventors: David E. Albert, James Joe Lewis, Leslie D. Hoy