74176376
Jun 17, 1991
Oct 27, 1992
polyvinyl chloride plumbing fittings for underground watering systems; namely, drain valves, elbows, tees, nipples, valve protectors, couplings, and drain repair kits consisting primarily of polyvinyl chloride coupling for attaching polyvinyl chloride pipes together, pipe pulling grips and polyvinyl chloride pipe cutters for repairing drains
Environmental Control Apparatus