Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685760 | Light exposing device for forming black matrixes in cathode ray tubes | — | 1997-11-11 |
DH
Dong Hee Han
Overall (1997): #158,388 of 185,788Top 90%
1
Patents 1997