Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059897 | Short-term heat-sealing of anodized metal surfaces with surfactant-containing solutions | Torsten Koerner | 2000-05-09 |
| 5935656 | Short duration hot seal for anodized metal surfaces | Torsten Koerner, Wolf-Achim Roland, Juergen Lindener | 1999-08-10 |
| 5891269 | Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals | Torsten Koerner, Juergen Lindener, Wolf-Achim Roland | 1999-04-06 |