Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790957 | Polycarboxylic acid esters and lubricants containing these esters | Helmut Mach, Hans-Henning Vogel | 1988-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790957 | Polycarboxylic acid esters and lubricants containing these esters | Helmut Mach, Hans-Henning Vogel | 1988-12-13 |