GRIFCO

Winches for use in operating poultry equipment, namely, winches for raising and lowering poultry feeder lines and poultry feeder-related loop systems, and winches for use in opening and closing ventilation controls relating to poultry enclosures, namely, chicken-house inlets, tunnel doors, and curtains, none of the aforesaid goods being for use with oil industry equipment, or for use in the field of mine working, or relating to bearings, carburetors, compressors, engines not for land vehicles, cylinders, pumps, or valves