Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823808 | Method for control of obesity, overweight and eating disorders | Charles T. Clegg | 1989-04-25 |
| 4797145 | Method of agricultural soil improvement | Arthur Wallace | 1989-01-10 |