Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890246 | Electronic balance with calibrating system | Christian Oldendorf, Christoph Berg | 1989-12-26 |
| 4884645 | Precision balance with scale on top | Erich Knothe | 1989-12-05 |
| 4848477 | Electronic balance with electronic corner-load correction | Christian Oldendorf, Christoph Berg | 1989-07-18 |
| 4811293 | Method for storing data in an electrically erasable memory for carrying out this method | Erich Knothe | 1989-03-07 |
| 4798250 | Balance with wind guard | Erich Knothe, Gunther Maaz, Klaus Dardat, Walter Sodler | 1989-01-17 |