Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652496 | Electrical device having a discriminating, rechargeable battery system | Upal Sengupta, Steven R. Ruth | 1997-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652496 | Electrical device having a discriminating, rechargeable battery system | Upal Sengupta, Steven R. Ruth | 1997-07-29 |