Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845056 | Continuous process for production of fine particulate ceramics | — | 1989-07-04 |
| 4830780 | Preparation of lanthanum chromate and lanthanum chromite powders by sol-gel | William L. Olson, Beili Li | 1989-05-16 |