Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808680 | Polymerization of vinyl aromatic monomers using cyclopentadienyl zirconium catalysts | Gregory F. Schmidt | 1989-02-28 |
RJ
Richard E. Campbell, Jr.
Overall (1989): #66,422 of 140,708Top 50%
1
Patents 1989