Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447561 | Abrasive body | Ernst Winter | 2002-09-10 |
| 5503648 | Process for the production of grinding tools and tools produced thereby | — | 1996-04-02 |
| 4842937 | Method of depositing a wear-protective layer on a cutting tool and wear protective layer produced by the method | Hans-Robert Meyer | 1989-06-27 |