Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401493 | Lining material for glass melting furnaces, glass melting furnaces, process for producing glass products, and process for purifying the lining material | Tsugunobu Murakami | 2002-06-11 |