Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605774 | Ionically permeable separator for leclanche cell | Ronald J. Ekern, Janna L. Rose | 1997-02-25 |
| 5604054 | Reduced environmental hazard LeClanche cell having improved performance ionically permeable separator | Ronald J. Ekern, Janna L. Rose | 1997-02-18 |