Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885283 | Phosphinic acid derivatives | Balraj K. Handa, William Henry Johnson, Geoffrey Lawton, Peter J. Machin | 1989-12-05 |
MB
Michael J. Broadhurst
Overall (1989): #77,422 of 140,708Top 60%
1
Patents 1989