Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695045 | Stud feeder | Bruno Mergell, Hans Wiessler, Alfred Gerhardt, Norbert Tessarsch | 1997-12-09 |
| 5683741 | Method for the quality-controlled finishing of a surface with a radiation-cured surface finish | Reiner Mehnert, Hans-Rudiger Doring | 1997-11-04 |