BETTS

Cargo tank equipment for tractor trailer trucks, namely, manhole cover assemblies consisting of manhole covers, collars for mounting manhole covers, and vents for manhole covers, all sold as a unit; manually operated metal valves

Safety equipment for cargo tanks used with tractor trailer trucks, namely, pressure relief valves and breathing vents, safety lamps, junction boxes used for connecting trailer lights to tractor electrical supply, flashers, and a remote trailer lighting tester