Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266404 | Method and apparatus for controlling characteristics of distributed telephone sets from a central telephone switch | Trang A. NGO | 2001-07-24 |
| 6115041 | Display screen management apparatus and method | Luan Dang | 2000-09-05 |