METAL COLUMNS, CAPS AND BASES; METAL COLUMN CLAMPS; METAL PENS, STALLS, AND GATES AND METAL PARTS THEREFOR; METAL STALL PARTITIONS; METAL WINDOW FRAMES; METAL ALIGNMEINT DEVICES FOR CATTLE IN STALLS; METAL CURB CLAMPS; METAL DOOR TRACK AND HARDWARE-NAMELY, TRACK COVERS, DOOR STOPS, HANGERS, BRACKETS, END CAPS, LATCHES, STAY ROLLERS AND PULLS; NECK CHAINS AND STRAPS FOR COW STALLS; RUST SHIELDS FOR PARTITIONS; STANCHIONS WITH AND WITHOUT OPERATING DEVICES; PNEUMATIC DOOR OPERATORS; AND PIPELINE CLAMPS

BARN CLEANERS AND PARTS; FEED CONVEYORS AND PARTS; CATTLE FEEDERS AND PARTS; PULLEY BLOCKS; SILO UNLOADERS AND PARTS; SILAGE DISTRIBUTORS; BARN FLOOR SCRAPERS; WHEELED CONTAINER WITH MATERIAL SPREADING MEANS-NAMELY, MANURE SPREADERS; FEED HOPPERS; MANURE HANDLING EQUIPMENT-NAMELY, MANURE PUMP SPREADERS, MANURE SOIL INJECTORS, AND "HOMOGENATOR" MANURE PUMPS; AND FEED MILLS

ELECTRIC COW TRAINERS; THERMOSTATS; ELECTRICAL OPERATING AND CONTROL SYSTEMS FOR FEED CONVEYORS, CATTLE FEEDERS, MILKING PARLORS, BARN CLEANERS AND SILO UNLOADERS

ELECTRIC VENTILATING FANS AND PARTS; RIDGE AND REVOLVING HEAD VENTILATORS WITH AND WITHOUT CONDUITS AND WITH AND WITHOUT FANS; AIR INTAKES; DRAINS (FLOOR AND MANGER); AND WATER BOWLS FOR LIVESTOCK (AUTOMATIC, HEATED AND NON-HEATED)