Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211765 | Shielding gas and arc-welding method | Thomas Ammann | 2007-05-01 |
| 6469277 | Method and apparatus for hybrid welding under shielding gas | Ernst Miklos, Jürgen Scholz | 2002-10-22 |