Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215249 | Fluorescent lamp assembly | Jong-Cherng Wu, Tyng-Jeng Sheu | 2001-04-10 |
| 6135605 | Waterproof flashlight device for umbrellas | Wen Shan Yeh | 2000-10-24 |
| 6049178 | Circuit for controlling operation of an emergency exit lamp | Tyng-Jeng Sheu | 2000-04-11 |