Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D325638 | Microtester or the like | Carol A. Ziel | 1992-04-21 |
| 4205955 | Calcium and magnesium specific hardness method using aluminum chelate exchange reagent | — | 1980-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D325638 | Microtester or the like | Carol A. Ziel | 1992-04-21 |
| 4205955 | Calcium and magnesium specific hardness method using aluminum chelate exchange reagent | — | 1980-06-03 |