Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035781 | Electrolyte for the production of black surface layers on light metals | Jurgen Schmidt, Thomas Furche, Roland Erdmann, Marion Reichert, Ullrich Bayer +8 more | 1991-07-30 |
| 4869789 | Method for the preparation of decorative coating on metals | Peter Kurze, Waldemar Krysmann, Maria Berger, Klaus Rabending, Thomas Schwarz +1 more | 1989-09-26 |