Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872785 | Shut-off means for air-actuated planter | Jay T. Schrage, Lester Schrage | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872785 | Shut-off means for air-actuated planter | Jay T. Schrage, Lester Schrage | 1989-10-10 |