Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815631 | Method and device for multiple stage arc-welding | Klaus Schmitt | 2004-11-09 |
| 6762392 | Lift-and-strike welding process with cleaning stage | Haymo GOTTWALS, Klaus Schmidt, Reinhold Broehl, Wolfgang Schmidt | 2004-07-13 |