Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352542 | Use of silver alloys as cadium-free brazing solder | Joerg Beuers, Sigurd Joensson, Dieter Kaufmann, Georg Ptaschek, Wolfgang Kaster | 1994-10-04 |
| 5341981 | Use of a cadmium-free silver alloy as brazing solder (III) | Wolfgang Weise, Dieter Kaufmann, Willi Malikowski, Joerg Beuers, Harald Krappitz | 1994-08-30 |