Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916577 | Alkaline cell with polymer electrolyte | C. Robert Parent, Jonathan M. Boulton | 2005-07-12 |
| 5863675 | Manganese dioxide for lithium batteries | Mark Capparella, William L. Bowden | 1999-01-26 |
| 5698176 | Manganese dioxide for lithium batteries | Mark Capparella, William L. Bowden | 1997-12-16 |