Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D447729 | Battery for a cellular phone | Lian It Song, Chew Wooi Heong | 2001-09-11 |
| 5308941 | Roller contact assembly | Quah Tee Hoh | 1994-05-03 |
TH
Tan Seng Hai
Overall (All Time): #2,230,575 of 4,157,543Top 55%
2
Patents All Time