Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807213 | Laser drum for use in recording and reproducing information on optical tapes | Seung-Tae Chung, Hae Woong Kwon | 1989-02-21 |
TP
Tae Seok Park
Overall (1989): #52,507 of 140,708Top 40%
1
Patents 1989