Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748404 | Digital measuring device for the quasi-analog indication of measurement values | Siegfried Heinze, Reinhold Kern, Gunter Roppelt | 1988-05-31 |
| 4510444 | Digital measuring device with liquid-crystal picture screen | Gunter Roppelt, Robert Kindermann | 1985-04-09 |