Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047003 | Enamel powder, metal component having a surface section provided with an enamel coating and method for manufacturing such a metal component | Rolf Gosch, Annett Bretschneider | 2018-08-14 |
| 6699598 | Laminar body having phosphorescent properties, process for producing it and its use | Annett Bretschneider, Jurgen Wieczoreck, Andreas Winterfeldt | 2004-03-02 |
| 6528186 | Stratified composite with phosphorescent properties, method for the production and the use thereof | Annett Bretschneider, Jurgen Wieczoreck, Andreas Winterfeldt | 2003-03-04 |