Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7388947 | Controllable telecommunications switch reporting compatible with voice grade lines | David B. Smith, Matthew R. Smith, David L. Yarbrough, Simon Oh, Thomas Loos | 2008-06-17 |
| 6850612 | End user automatic call distributor network control | John Andrew Johnson, Steven R. Krause, David B. Smith, Matthew R. Smith | 2005-02-01 |
| 6813349 | Communication of user data to an automatic call distributor agent | John Andrew Johnson, Steven R. Krause, David B. Smith, Matthew R. Smith | 2004-11-02 |
| 6798877 | Enhanced end user automatic call distributor control | John Andrew Johnson, Steven R. Krause, David B. Smith, Matthew R. Smith | 2004-09-28 |
| 6754311 | Enhanced subscriber line call monitoring | David B. Smith, Matthew R. Smith | 2004-06-22 |
| 6728338 | Utilization of communication channels between a central office switch and a law enforcement agency | David B. Smith, Matthew R. Smith | 2004-04-27 |
| 6452490 | Home/commercial security monitoring system | Stuart Mandel Garland, John Andrew Johnson, James Allen Kowal, David B. Smith | 2002-09-17 |
| 5403999 | Telecommunications systems for lotteries | John K. Entenmann, John A. Hooke, Barry L. Posterick | 1995-04-04 |
| 4996705 | Use of telecommunications systems for lotteries | John K. Entenmann, John A. Hooke, Barry L. Posterick | 1991-02-26 |