Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310940 | Personal computer interactive phone system | — | 2001-10-30 |
| 5848136 | State machine and method for monitoring and controlling operating modes in a computer-controlled telephony instrument | Randy D. Pfeifer | 1998-12-08 |