Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834908 | Antagonism defeating crop oil concentrates | James Lyle Hazen, Paul S. Zorner, James R. Campbell | 1989-05-30 |
RF
Rudolf H. A. Frank
Overall (1989): #60,204 of 140,708Top 45%
1
Patents 1989