Patents by Inventor Mark Chason

Mark Chason 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).

  • Method and apparatus to aide in emergency egress
    Publication number: 20060261971
    Abstract: A method and apparatus are provided to aide in emergency egress of a structure. More particularly, egress indicators are co-located with hazard sensors. During detection of a hazard condition, locations of sensors detecting the hazard are identified and a pathway directing traffic away from the hazard is determined. Finally, the egress indicators are operated to direct traffic down the determined pathway.
    Type: Application
    Filed: May 17, 2005
    Publication date: November 23, 2006
    Inventors: Janice Danvir, Mark Chason, Katherine Devanie, David Hume