ORTHANE
POLYURETHANE-FORMED INDUSTRIAL PARTS-NAMELY, (( ROD BOOTS FOR USE IN CHAIN SAWS, )) BEARING CAPS FOR USE IN HAY PICKERS; WEAR RINGS FOR AGRICULTURAL EQUIPMENT; VALVE INSERTS FOR USE IN FRACTURING OIL WELL PUMPS; AND FINGER GUIDES FOR FARM COMBINE AUGER FINGERS
Cancelled · March 15, 1976 · 73080142 ·