US Patent 7774968 Transportable electronic sign display system

A transportable electronic sign display system having modular cabinets which support electronic display modules and electronics having male and female latching assemblies connecting adjacent electronic display modules. Robust male and female latching assemblies at the top and bottom of electronic display modules provide for forcible positive action latching between vertically situated electronic display modules to provide a minimally visible horizontally oriented seam therebetween. Side latches between horizontally situated electronic display modules assemblies provide for latching to provide a minimally visible vertically oriented seam therebetween.