Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011234 | Device for welding together at least two parts and method of using the device | Eduard Kirchner, Hartmut Ilch | 2000-01-04 |
| 5726417 | Method and device for welding a weld-on part and a base part | Hartmut Ilch | 1998-03-10 |