Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708982 | Method for applying a projection to a metal layer of a cylinder-head gasket, and cylinder-head gasket | Hans-Rainer Zerfass | 2004-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708982 | Method for applying a projection to a metal layer of a cylinder-head gasket, and cylinder-head gasket | Hans-Rainer Zerfass | 2004-03-23 |