73381641
Aug 25, 1982
Nov 22, 1983
Metal Slicing Edges-Namely, Replaceable Soil Cutters Mounted on the Carriers of Furrow-Opening Shoes for Seed-Planting Farm Implements; and Replaceable Metal Points-Namely, Wear-Resistant Attachments for the Shanks of Knives for Agricultural Applicators of Fertilizers, Fumigants, Insecticides, Weed Killers and Other Soil Chemicals into the Soil
Machinery