Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896647 | Sealed electrical device with unitary fill port and terminal construction | — | 1999-04-27 |
| 5747188 | Battery with improved safety during mechanical abuse | Ulrich von Sacken, Wendy Chow | 1998-05-05 |