Pre-engineered precast modular concrete window wells for on-site assembly; Precast concrete modular window wells comprised primarily of concrete slabs; Construction materials, namely, precast concrete slabs; Construction materials, namely, precast concrete window wells; Precast concrete building elements, namely, slabs; Precast concrete building elements, namely, interlocking slabs forming a window well

Building construction, namely installation of precast concrete window wells; Installation of precast concrete building elements, namely, window wells; Installation of windows; installation of windows, namely, basement windows; Renovation of buildings