Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851228 | Multiparticulate controlled porosity osmotic | Gaylen M. Zentner, Gerald S. Rork | 1989-07-25 |
KH
Kenneth J. Himmelstein
Overall (1989): #88,746 of 140,708Top 65%
1
Patents 1989