Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285495 | Push-button telephone dialing device with telephone hold function circuit | Meng-Tsang Wu | 1994-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285495 | Push-button telephone dialing device with telephone hold function circuit | Meng-Tsang Wu | 1994-02-08 |