Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792193 | Return loss reduction | Ruediger Maestle, Martin Guenther | 2004-09-14 |
| 6459478 | Optical loss measurements | Siegmar Schmidt | 2002-10-01 |
| 4925273 | Variable optical attenuator | Siegmar Schmidt | 1990-05-15 |
| 4818067 | Fiber optic focusing device | Rudolf Vozdecky | 1989-04-04 |