Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882064 | Method of removing impurities from hard waters or waters with significant calcium/magnesium concentrations | David R. Dixon | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882064 | Method of removing impurities from hard waters or waters with significant calcium/magnesium concentrations | David R. Dixon | 1989-11-21 |