Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248660 | Process of preparing yttrium based superconductors | I. Hun Song, Seok-Young Yoon | 1993-09-28 |
EL
Een H. Lee
Overall (All Time): #3,834,163 of 4,157,543Top 95%
1
Patents All Time