Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541878 | Cast iron with spheroidal graphite and austenitic-bainitic mixed structure | Bruno Prinz, Wolf Wunder, Ulrich Schafer, Josef Bognar | 1985-09-17 |
| 4426426 | Welding alloy and method | — | 1984-01-17 |