Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312764 | Process limiting overoxidation of coiled, hot-rolled sheet strip | — | 2001-11-06 |
| 6063447 | Process for treating the surface of metal parts | Ronald Kefferstein | 2000-05-16 |
| 5997955 | Sheet metal surface treatment method | Roland Pesarolo | 1999-12-07 |