Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7935321 | Method of preparing bismuth oxide and apparatus therefor | Seung Wok Han, Byung Gil Lim | 2011-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7935321 | Method of preparing bismuth oxide and apparatus therefor | Seung Wok Han, Byung Gil Lim | 2011-05-03 |