Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850435 | Cultivator sweep with pair of rearwardly extending downturned rigid flaps | George H. Morris, Donald M. Michalchuk | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850435 | Cultivator sweep with pair of rearwardly extending downturned rigid flaps | George H. Morris, Donald M. Michalchuk | 1989-07-25 |