Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156934 | Method of making a rechargable modified manganese dioxide material and related compound and electrode material | David Manko | 1992-10-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156934 | Method of making a rechargable modified manganese dioxide material and related compound and electrode material | David Manko | 1992-10-20 |