Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847268 | 8-phenylthio-tetrahydroquinolines and anti-allergic use thereof | Stephen Clements-Jewery, Peter D. Kennewell | 1989-07-11 |
| 4847501 | Occupancy detector | Kenneth Warner | 1989-07-11 |