Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837187 | Alumina-based core containing yttria | Kenneth A. Canfield, Thomas R. Wright | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837187 | Alumina-based core containing yttria | Kenneth A. Canfield, Thomas R. Wright | 1989-06-06 |