Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680206 | Method and device for testing the properties of at least one splice in at least one optical waveguide | — | 1997-10-21 |
| 5546491 | Method for producing a spliced connection between two groups of light waveguides | — | 1996-08-13 |
| 5424831 | Method and apparatus for measuring a plurality of light waveguides | Rainer Matthias Kossat, Winfried Lieber, Gervin Ruegenberg | 1995-06-13 |
| 5159399 | Measuring device for an optical medium having a light receiver guidable to either of two measuring locations | Winfried Lieber | 1992-10-27 |