Filed: January 3, 1989 [ ROLL FORMED AND EXTRUDED ALUMINUM SLATES AND TRACKS FOR ROLLING SHUTTERS, METAL DOORS, METAL CURTAINS AND AWNINGS MADE… Owned by:SIMU Serial Number:73773147
Filed: October 8, 2007 Electric motors except for land vehicles, gear motors for operating doors, [ gates, ] shutters, curtains, metal curtains… Owned by:SIMU Serial Number:79049834
Filed: October 15, 2008 Electric motors used for operating blinds, screens, curtains, shutters and windows in homes and buildings; [ motor reducers… Owned by:SIMU Serial Number:79061197