Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882961 | Cutting portal of an ultra-high pressure fluid jet cutting system | Siegfried Zabinski, Klaus Biervert | 1989-11-28 |
| 4871155 | Material resting surface | Klaus Bievert, Wolfgang Bruder, Manfred Geilhaupt, Siegfried Zabinski | 1989-10-03 |