Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849419 | 7-oxo-4-thia-azabicyclo[3,2,0]hept-2-ene derivatives | Andrew J. Barker, Nicholas I. Carruthers | 1989-07-18 |
| 4795748 | Antibacterial 7-oxo-4-thia-1-azabicyclo[3,2,0]hept-2-ene derivatives | Barry C. Ross, Nicholas I. Carruthers, Andrew J. Barker | 1989-01-03 |