Glass panels for building construction purposes; Glass panels in the nature of glass panes; glass panes for fences; glass railings for fences, gates and decks; glass fencing; clear or frosted or acid etched or obscure glass panels

Non-metal doors, namely doors that on one side have built-in bookcases, cabinets, or shelves which hide the appearance of the door but that operate like standard doors and, when closed, conceal doorway openings

Recirculatory air curtains for commercial and industrial use

Recirculatory air curtains for commercial and industrial use