Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362330 | Process for the emission-free, in particular CFC-free, cleaning of precision optics or optical element groups | Elke Preussner, Heinrich Gruenwald | 1994-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362330 | Process for the emission-free, in particular CFC-free, cleaning of precision optics or optical element groups | Elke Preussner, Heinrich Gruenwald | 1994-11-08 |