Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458750 | Engine oil composition with reduced deposit-formation tendency | Klaus Hedrich, Stephan Massoth, Boris Eisenberg, Stephan Fengler | 2002-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458750 | Engine oil composition with reduced deposit-formation tendency | Klaus Hedrich, Stephan Massoth, Boris Eisenberg, Stephan Fengler | 2002-10-01 |