Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656038 | Method of making a zinc anode for a reduced environmental hazard LeClanche cell having improved performance | Ronald J. Ekern | 1997-08-12 |
| 5645611 | Method of making reduced environmental hazard LeClanche cell having improved performance | Ronald J. Ekern | 1997-07-08 |
| 5626983 | Zinc anode for reduced environmental hazard LeClanche cell having improved performance | Ronald J. Ekern | 1997-05-06 |
| 5609973 | Reduced environmental hazard leclanche cell having improved performance | Ronald J. Ekern | 1997-03-11 |