Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795408 | Process for the phosphatising treatment of steel strip or sheet galvanized on one side or alloy galvanized on one side | Klaus Bittner, Klaus-Peter Mohr, Thomas Wendel, Hardy Wietzoreck | 1998-08-18 |