Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191543 | Electronic balance with calibrating device | Franz-Josef Melcher | 1993-03-02 |
| 5058692 | Balance with motor-driven wind guard | Franz-Josef Melcher, Christian Oldendorf | 1991-10-22 |
| 4932487 | Electronic balance with calibrating weight circuit | Franz-Josef Melcher, Gunther Maaz, Christian Oldendorf | 1990-06-12 |