Patents by Inventor Ivay Johnson

Ivay Johnson 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).

  • Warning system for an intersection
    Publication number: 20130027221
    Abstract: A warning system for pedestrian and vehicular traffic that can warn pedestrians and drivers of an emergency vehicle that is approaching a road intersection. The current warning system is multimodal and uses different modes and colors to indicate the type of approaching emergency vehicle. Flashing devices are mounted to fixtures associated with currently available traffic light configurations.
    Type: Application
    Filed: July 30, 2011
    Publication date: January 31, 2013
    Inventors: Ivay Johnson, Jack Judy