Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872940 | Apparatus for the continuous welding of strips and/or sheets | Josep Strum | 1989-10-10 |
| 4827100 | Process for the production of a shaped parts from pieces of sheet metal of different thicknesses | Adam Frings | 1989-05-02 |