Acoustical insulation barrier panels; Acoustical tiles; Architectural acoustic products, namely, sound absorbers and diffusers; Architectural acoustic products, namely, sound absorbers and diffusers in the form of decorative display panels composed primarily of non-metal materials which function to control sound; Architectural acoustic products, namely, temporary coverings for passageways which function as sound barriers composed primarily of non-metal materials

Acoustical insulation barrier panels; Acoustical insulation for buildings; Acoustical panels for buildings; Acoustical tiles; Architectural acoustic products, namely, sound absorbers and diffusers; Architectural acoustic products, namely, temporary coverings for passageways which function as sound barriers composed primarily of non-metal materials; Architectural acoustic products, namely, sound absorbers and diffusers in the form of decorative display panels composed primarily of non-metal ...