Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890681 | Leak resistant automotive battery | Surendra Kumar Mittal, Partha Dasgupta | 2005-05-10 |
| 6881513 | Leak retardant automotive battery | Partha Dasgupta, Subhradas Bandyapadhyayay, Surendra Kumar Mittal | 2005-04-19 |
| 6686720 | Vented-type leak resistant motor cycle battery | Surendra Kumar Mittal, Partha Dasgupta | 2004-02-03 |