Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855135 | Horizontal metal extrusion press | — | 1999-01-05 |
| 5833047 | Apron conveyor | — | 1998-11-10 |
| 5337769 | Paint roller cover cleaning device | — | 1994-08-16 |
| 4697696 | Plate belt conveyor | Waldemar Schwarz | 1987-10-06 |