Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828774 | Porous ceramic bodies | Clarence A. Andersson, Deborah P. Partlow | 1989-05-09 |
| 4814017 | Aqueous organoalkoxysilane/metal oxide sol-gel compositions | Chia-Cheng Lin | 1989-03-21 |