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, Tae Seok Park | 1989-02-21 |
HK
Hae Woong Kwon
Overall (1989): #108,281 of 140,708Top 80%
1
Patents 1989