Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930670 | Computer peripheral input system with two input types and method of data communication for the same | Ching-Chuan Chao | 2005-08-16 |
| 6909426 | Tablet system with inductive loops and cord less-battery less pointer apparatus controlled by multi-channel switches set and method for transmitting and receiving its signal | Ching-Chuan Chao | 2005-06-21 |