Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352549 | Lead oxide composition for use in lead-acid batteries | Frederick L. Marsh | 1994-10-04 |
| 5348817 | Bipolar lead-acid battery | Jing-Yih Cherng | 1994-09-20 |
| 5298350 | Calcium-tin-silver lead-based alloys, and battery grids and lead-acid batteries made using such alloys | — | 1994-03-29 |