Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658897 | Optical fiber draw furnace having a SiC or Silicon Nitride tube | Jurgen Berndt, Norbert Nowack | 2003-12-09 |
| 5796905 | Optical fiber with a color marking | Jurgen Rosenkranz, Franz-Peter Bartling, Bertram Glessner, Hans-Jurgen Lysson | 1998-08-18 |
| 5377292 | Optical fiber with additional color markings | Franz-Peter Bartling, Rainer Broden, Helmut Haag, Hans-Jurgen Lysson, Peter Zamzow | 1994-12-27 |