Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365672 | Automatic alternating marker system | Randolph G. Fardal, David N. Anderson | 1982-12-28 |
| 4359952 | Planter quick attachable granular chemical hopper assembly | Augustyn M. Gesior | 1982-11-23 |