Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822779 | Phosphoric and thiophosphonic acid derivatives of 5-hydroxypyrazoles, compositions and use | Ki J. Hwang, Gil Hee Ko Kim | 1989-04-18 |
YG
Yeong D. Gong
Overall (1989): #41,573 of 140,708Top 30%
1
Patents 1989