Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320620 | Arrangement for fastening a structural part to a round steel chain | Werner Rieger, Hartwig Zenker, Alfred Bittlingmaier, Hans Dalferth | 1982-03-23 |
| 4316537 | Chain conveyor | Werner Rieger | 1982-02-23 |