Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785383 | Telephone line switch using an optocooupler | SHIH-MING TUNG | 2004-08-31 |
| 6636506 | Internet telephone system and method therefor | — | 2003-10-21 |
| 6519250 | Quick connect internet telephone and method therefor | — | 2003-02-11 |
| 6295347 | Apparatus and method for subscriber loop powered calling identity delivery on call waiting | SHIH-MING TUNG | 2001-09-25 |
| 5841850 | Intelligent caller identification apparatus for notifying a selected telephone number of the arrival of special information | — | 1998-11-24 |
| 5602908 | Calling party identifying apparatus and method therefor | — | 1997-02-11 |
| D349501 | Calling party identifying apparatus | — | 1994-08-09 |
| D349502 | Calling party identifying apparatus | — | 1994-08-09 |