Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567335 | Process and apparatus for welding sheet metal edges | Alan Marriott, Urs Maurer, Marcel Oberholzer | 1996-10-22 |
| 5313041 | Method of voltage measurement over the welding seam in a roller head welding machine and device for performing the method | Gideon Levy, Theodor Lachmuth | 1994-05-17 |