Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813505 | Balance with scale on top and parallel guide consisting of a one-piece casting and one-piece parallel guide system | Eberhard Lubke, Otto Kuhlmann | 1989-03-21 |
| 4798250 | Balance with wind guard | Erich Knothe, Franz-Josef Melcher, Gunther Maaz, Klaus Dardat | 1989-01-17 |