Patents by Inventor David J Dedic

David J Dedic 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).

  • Patent number: 7125136
    Abstract: A contiguous emergency exit path lighting system that includes the peripheral lighting of a hollow doorframe at an egress point using a set of electroluminescent illuminators integrally formed within or upon the doorframe, an electrical bypass doorframe to reroute wiring around doorways that are not points of egress, electroluminescent illuminator strips mountable on walls, floors, and other pathway surfaces, and flush mount exit signage on the egress door to enhance visibility in high smoke and high heat applications. An integrally formed U-shaped channel within the egress doorframe secures a transparent or translucent raceway tube that encloses the electroluminescent strips.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: October 24, 2006
    Assignee: Assa Abloy Door Group, LLC
    Inventors: David J Dedic, Thomas L Rattay