Abstract: A vertical column coupling providing a means for creating entire concrete forms for constructing the ceiling and floors of multistory buildings utilizing a plurality of pipe columns and supported form slabs that are erected to a desired height and in horizontal alignment. Additionally the present invention provides for the ability to pour concrete in one continuous pour from the top and easy disassembly and removal of the device after said poured concrete has dried.

Abstract: A traffic light timer is provided that provides a visible and accurate warning that a traffic light signal is about to change. The time remaining before the change is displayed in numeric form on a display and visibly counts down the seconds remaining. In one configuration of the invention, the display is alphanumeric. In another configuration the display is graphical allowing for the display of free form icons. The icon library is contained on an easily replaced icon memory module.