Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498825 | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting | Timothy J. Dupuis, Jeffrey W. Scott, Navdeep S. Sooch, David R. Welland | 2002-12-24 |
| 6442271 | Digital isolation system with low power mode | Jerrell P. Hein, Timothy J. Dupuis, Jeffrey W. Scott, Navdeep S. Sooch, David R. Welland | 2002-08-27 |
| 6389134 | Call progress monitor circuitry and method for a communication system | Timothy J. Dupuis, Jeffrey W. Scott, Navdeep S. Sooch, David R. Welland | 2002-05-14 |