Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7124513 | Three way laser indicator | TN Chen, Ching-Horng Hsiao | 2006-10-24 |
| 7088750 | Adjustable laser module | Ching-Hui Lin, Chaochi Huang | 2006-08-08 |
| 6931739 | Multidirectional laser indicator | Shih Chang Chang | 2005-08-23 |
| 6722048 | Laser projection apparatus for point and line | Chao-Chi Huang | 2004-04-20 |
| 6618950 | Projection apparatus for demarcation | Chao-Chi Huang | 2003-09-16 |