Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4501044 | Apparatus for cleaning components used in electrolytic smelting | Hans-Horst Schulze, Karl-Heinz Schneider | 1985-02-26 |
| 4480381 | Aligning and locating apparatus | Erwin Collet | 1984-11-06 |