Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544341 | Workpiece having wear-resistant inserts locked in recesses in the workpiece | Siegfried Kuklinski | 1985-10-01 |
| 4497358 | Process for the manufacture of a steel body with a borehole protected against abrasion | Fritz Przybylla, Friedrich Schneider | 1985-02-05 |
| 4215942 | Kneading disc for a screw extruder | Wilhelm Seufert, Fritz Przybylla, Wolfgang Christen, Albert Grimminger | 1980-08-05 |