Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404832 | Operating a rolling mill working on seamless tubing | Gerd Pfeiffer, Horst Biller, Manfred Bellmann, Alfred Lampe, Hermann Josef Frentzen | 1983-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404832 | Operating a rolling mill working on seamless tubing | Gerd Pfeiffer, Horst Biller, Manfred Bellmann, Alfred Lampe, Hermann Josef Frentzen | 1983-09-20 |