Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871155 | Material resting surface | Klaus Bievert, Wolfgang Bruder, Gerd Kupper, Siegfried Zabinski | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871155 | Material resting surface | Klaus Bievert, Wolfgang Bruder, Gerd Kupper, Siegfried Zabinski | 1989-10-03 |