Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877584 | Temperature programmed spectroscopy techniques | Gregory L. Griffin, Maya Kiskinova | 1989-10-31 |
| 4871526 | Heterogeneous catalytic oxidation of organophosphonate esters | Vincent S. Smentkowski, Patrick L. Hagans | 1989-10-03 |