Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946959 | Process for producing annular workpieces from metal with a profiled cross section and a rolling facility for carrying out the method | Frank Siewert | 1999-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946959 | Process for producing annular workpieces from metal with a profiled cross section and a rolling facility for carrying out the method | Frank Siewert | 1999-09-07 |