Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262972 | Digital multitone communication trunk | John Douglas McGinn, Paul K. Y. Wong | 2001-07-17 |
| 5488641 | Digital phase-locked loop circuit | — | 1996-01-30 |
| 5189697 | Line interface circuit | Tapan K. Das, George S. Fung | 1993-02-23 |