Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346350 | Structurally stable fusible battery separators and method of making same | Ronald W. Call, Pierre C. Cook, Khuy V. Nguyen, Wei-Ching Yu | 2002-02-12 |
| 5952120 | Method of making a trilayer battery separator | Wei-Ching Yu | 1999-09-14 |