Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440384 | Composition for storage battery cells and method for making same | Tin Pui Leung, Ho Ching WONG | 2002-08-27 |
| 6022468 | Electrolytic hardening process | Suet Fan Luk, Tin Pui Leung, Ian Robert Pashby | 2000-02-08 |