Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693003 | Endoscope and method for determining object distances | Harald Wölfelschneider, Peter Wilhelm | 1997-12-02 |
| 5457535 | Method and apparatus for determining the concentration of optically-active materials in a fluid | Wolfgang Riedel, Helmut Wolf | 1995-10-10 |
| 5357960 | Method and apparatus for the quantitative determination of optically active substances | Wolfgang Riedel, Helmut Wolf | 1994-10-25 |