Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883600 | Stabilization of soluble manganese in aqueous systems | Barbara E. Fair | 1989-11-28 |
| 4807447 | Human environmental conditioner | George Spector | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883600 | Stabilization of soluble manganese in aqueous systems | Barbara E. Fair | 1989-11-28 |
| 4807447 | Human environmental conditioner | George Spector | 1989-02-28 |