Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363364 | Plow chisel with pointed shank having pointed chisel cap secured thereto by weld | — | 1982-12-14 |
| 4355589 | Fertilizer applicator knife assembly | — | 1982-10-26 |
| D262972 | Insert for agricultural applicator knife | Norvel J. Ronck | 1982-02-09 |