Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667130 | Recombinant lead-acid cell and long life battery | Franz Wagner | 2003-12-23 |
| 6562517 | Lead-acid battery vent valve-catalyst carrier assembly | Franz Wagner | 2003-05-13 |
| 6524747 | Catalyst equipped vapor-communicating multi-cell valve regulated lead-acid battery | Leslie S. Holden, Terrence M. Noveske | 2003-02-25 |