Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971598 | Reaction products of alkenyl succinimides with ethylenediamine carboxy acids as fuel detergents | Harry J. Andress, Henry Ashjian | 1990-11-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971598 | Reaction products of alkenyl succinimides with ethylenediamine carboxy acids as fuel detergents | Harry J. Andress, Henry Ashjian | 1990-11-20 |