All goods in class 6, including metal hardware for use in conjunction with machines for fabrication and assemblage of ducts, duct components and systems, including duct connection stock strips, mounting fixtures, louver brackets, louver blades, damper blades, bushings, bearing pins, bearing straps, brackets, pins, rods, multi-blade damper linkages, dampers, plain damper and dial damper regulators, damper quadrants, connectors and clips for attachment to ducts, hinges, sheet metal screws, self-tapping screws, self-drilling screws, rivets, blind rivets, damper rod clips, heat fusible links for dampers, duct access door assemblies and latches, staples, welding clips and pins, and component part sets in this class for all the aforesaid goods

Machines for fabrication and assemblage of ducts, duct components and systems including coating machines for applying insulation to ducts, welding machines for securing welding pins to ducts, insulation cutting machines, cleat forming machines, angle iron production machines, stapling machines, pneumatic rivet setting machines