Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7831038 | Smart interface technology | — | 2010-11-09 |
| 7031454 | Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching system | — | 2006-04-18 |
| 6683949 | Handset port interface including DC measurement and transmit path calibration | — | 2004-01-27 |
| 6343126 | Method and apparatus for interfacing analog telephone apparatus to a digital, analog or hybrid telephone switching system | — | 2002-01-29 |
| 5937031 | Smart interface technology | — | 1999-08-10 |
| 5912964 | Adaptive telephone handset interface | — | 1999-06-15 |
| 5892823 | Smart interface technology | — | 1999-04-06 |