LASER ALIGNMENT

Class [9]
Computer & Software Products & Electrical & Scientific Products

Control for general construction and building construction, namely, a laser unit apparatus used with the laying of underground pipelines; control units for asphalt pavers, concrete pavers and slip forming machines; light beam sensors; laser beam projectors, targets utilized with said projectors; surveying transits, apparatus for correlating the alignment of laser beam projectors with the sighting of said transits; grade determining devices; electronic depth sensors used on large construction equipment; grade and blade angle control units for slope machines, namely, road graders and pavers, dozers, trimmers and curbers; rotating laser beam projectors; control units for excavators; and control units for trenchers.