Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814481 | Isomerization of fumaronitrile and maleonitrile | — | 1989-03-21 |
HJ
Harold William Young, Jr.
Overall (1989): #107,348 of 140,708Top 80%
1
Patents 1989