Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393887 | Roll-hardening device pertaining to a roll-hardening machine for crankshafts | Hans Zimmermann | 2002-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393887 | Roll-hardening device pertaining to a roll-hardening machine for crankshafts | Hans Zimmermann | 2002-05-28 |