Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889201 | Drying balance with evaluation circuit for determining the end of the drying | Gunther Maaz, Klaus Nottbohm, Volker Handwerk | 1989-12-26 |
| 4890246 | Electronic balance with calibrating system | Christoph Berg, Franz-Josef Melcher | 1989-12-26 |
| 4848477 | Electronic balance with electronic corner-load correction | Franz-Josef Melcher, Christoph Berg | 1989-07-18 |