Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7669447 | Combined use of oil and emulsion for the cold-rolling of strips | Rolf Bunten | 2010-03-02 |
| 7260968 | Combined use of oil and emulsion for the cold rolling of strip | Rolf Bunten | 2007-08-28 |