Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306553 | Impregnated flat gasket and method of producing the gasket | Hans-Rainer Zerfass | 1994-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306553 | Impregnated flat gasket and method of producing the gasket | Hans-Rainer Zerfass | 1994-04-26 |