Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797014 | Lighfastness-improvement of dyeings on aluminum oxide layers | Georg Schofberger | 2004-09-28 |
| 5312541 | Improvements in processes for coloring anodized aluminum and/or aluminum alloys | Jean-Francois Paulet, Bruno Boetsch, Fritz Schneeberger, Hans Bohler | 1994-05-17 |