Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855452 | N-substituted azetidine carboxylate derivatives | Pieter A. Verbrugge, Jannetje De Waal | 1989-08-08 |
DS
David W. Sopher
Overall (1989): #121,641 of 140,708Top 90%
1
Patents 1989