Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990770 | Measuring arrangement for testing a plurality of light waveguides | Rainer Hemmann | 1991-02-05 |
| 4381152 | Dimension measuring apparatus | Dietrich Sorgenicht | 1983-04-26 |
| 4324126 | Calibration devices | Wolfgang Saupe, Dietrich Sorgenicht | 1982-04-13 |