Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817505 | Method and device for fracture-splitting a workpiece | Horst Wisniewski | 2004-11-16 |
| 6698637 | Method and device for fracture-splitting a workpiece | Horst Wisniewski | 2004-03-02 |