Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007890 | Web plow folding | Thomas Schumacher, Thaddeus M. Przybylowski, Jr. | 1991-04-16 |
| 4632575 | Cylinder-mounting bracket | Donald H. Busam | 1986-12-30 |
| 4512564 | Pullout roller assembly | Thomas Schumacher | 1985-04-23 |