Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746322 | Cabin pressure control system, method of controlling the actual pressure inside a cabin and outflow valve | Thomas Willenbrink | 2004-06-08 |
| 6284326 | Process for producing an adhesive coating on polymethyl methacrylate (PMMA) substrate surfaces | Rainer Goetzelmann, Heinrich Gruenwald, Joerg Terhuerne, Alfons Zoeller | 2001-09-04 |
| 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 |