Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833000 | Ceramic monolithic structure having an internal cavity contained therein and a method of preparing the same | Elizabeth A. Trickett | 1989-05-23 |
| 4806295 | Ceramic monolithic structure having an internal cavity contained therein and a method of preparing the same | Elizabeth A. Trickett | 1989-02-21 |