Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9308600 | Arc guiding, gripping and sealing device for a magnetically impelled butt welding rig | Thomas Hassel, Aret Varahram, Sven Mitulla, Joerg Lehr, Ludger Overmeyer +3 more | 2016-04-12 |