Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869828 | Stabilization of iron in aqueous systems | John E. Hoots, Kenneth P. Fivizzani | 1989-09-26 |
| 4861511 | Toilet bowl cleaner and stain-inhibiting composition | — | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869828 | Stabilization of iron in aqueous systems | John E. Hoots, Kenneth P. Fivizzani | 1989-09-26 |
| 4861511 | Toilet bowl cleaner and stain-inhibiting composition | — | 1989-08-29 |