PROTOMARK CORPORATION

ergonomic materials handling systems comprised of power-operated manipulating arms, telescoping booms, jib booms, power-operated torque tube balancers, overhead-, side- and floor-mounted rails for carrying manipulating arms and balancers, fixed position mounts for floor, overhead, side and table top use, power-operated load balancing arms, vertical balancers, tube balancers, power-operated tool holding arms and load balancers, sold as a unit