Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591529 | Optical filter having multi-layer coating | Christoph Braatz, Joachim Szczyrbowski | 1997-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591529 | Optical filter having multi-layer coating | Christoph Braatz, Joachim Szczyrbowski | 1997-01-07 |