Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532369 | System and method for mobile controlled direct mode wireless local calling | — | 2003-03-11 |
| 6522879 | Two-way telephone and two-way paging service on the same wireless infrastructure | Jack Chi-Chieh Wen | 2003-02-18 |