Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847046 | Ultra-low temperature alloy and process for manufacturing the same | Jae-Kwang Han | 1989-07-11 |
YK
Young Gil Kim
Overall (1989): #40,953 of 140,708Top 30%
1
Patents 1989