U.S. PATENTS CLICK ANY OF THE LINKS BELOW FOR OUR PATENTSĀ Pat. 8168887 B2 Method and Apparatus for Pre Fab Wiring Pat. 8455772 B2 Open Back Junction Box and Method for Pre Fab Wiring Pat. 8710368 B2 Adjustable Box Extender Pat. 9040848 B2 Open Back Junction Box and Method for Pre Fab Wiring