Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616025 | Vertical diffusion furnace having improved gas flow | Chung Hwan Kwon, Hong-Keun Kim | 1997-04-01 |
SC
Sang-Kook Choi
Overall (1997): #81,572 of 185,788Top 45%
1
Patents 1997