Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539673 | Method and device for machining a sealing seat of a shut-off valve | Siegfried Gügel, Josef Sprehe, Volker Wurzer | 2013-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539673 | Method and device for machining a sealing seat of a shut-off valve | Siegfried Gügel, Josef Sprehe, Volker Wurzer | 2013-09-24 |