Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233689 | Communication circuit having network connection detection capability | Charles M. Allen, Brett J. Fox, Sui Ping Shieh | 2001-05-15 |
| 6000003 | Communication circuit having network connection detection capability | Charles M. Allen, Brett J. Fox, Sui Ping Shieh | 1999-12-07 |