Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7138903 | Lock module using colored light rays to identify the application of an accurate key | Jin-In Chen | 2006-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7138903 | Lock module using colored light rays to identify the application of an accurate key | Jin-In Chen | 2006-11-21 |