Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815631 | Method and device for multiple stage arc-welding | Michael Krengel | 2004-11-09 |
| 6715770 | Cylinder head gasket having a welded-on overlay | — | 2004-04-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815631 | Method and device for multiple stage arc-welding | Michael Krengel | 2004-11-09 |
| 6715770 | Cylinder head gasket having a welded-on overlay | — | 2004-04-06 |