Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404832 | Operating a rolling mill working on seamless tubing | Horst Biller, Manfred Bellmann, Karl Oberem, Alfred Lampe, Hermann Josef Frentzen | 1983-09-20 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404832 | Operating a rolling mill working on seamless tubing | Horst Biller, Manfred Bellmann, Karl Oberem, Alfred Lampe, Hermann Josef Frentzen | 1983-09-20 |