Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220011 | Connecting chain link | Hans Dalferth, Zvonimir Bogdan, Hans-Jurgen Scherle | 2001-04-24 |
| 4974722 | Multi-strand chain conveyor | — | 1990-12-04 |
| 4320827 | Chain conveyor | Hans Dalferth | 1982-03-23 |