Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601964 | Lamp having a readable disk with an electro-luminescent element | Joseph Shen, Chien-Hua Wu, Charen Yu | 2003-08-05 |
| 6561671 | Case with vibration-activated light emitting indication apparatus | Joseph Shen, Chien-Hua Wu, Charen Yu | 2003-05-13 |
| 6562431 | Packaged set of luminous disk with DIY surface and method of its use | Chien-Hua Wu, Chih-Ping Liang | 2003-05-13 |
| 6513951 | Portable apparatus for use with a light-emitting disk | Chien-Hua Wu, Chih-Ping Liang | 2003-02-04 |