Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876065 | Corrosion-resisting Fe-Ni-Cr alloy | Ernst Wallis, Michael Köhler, Ulrich Heubner, Rolf Kirchheiner | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876065 | Corrosion-resisting Fe-Ni-Cr alloy | Ernst Wallis, Michael Köhler, Ulrich Heubner, Rolf Kirchheiner | 1989-10-24 |