Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267702 | Device for winding and unwinding cables onto a cable drum | Karl-Heinz Klein | 1993-12-07 |
| 4326699 | Oil-tempering apparatus for pipes | Wilfried Carneim, Herbert Hillemanns, Hermann Vollmecke, Hans Ribken, Kurt Roether | 1982-04-27 |