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Call management system with call control from user workstation computers |
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2012-06-12 |
| 7136475 |
Call Management system with call control from user workstation computers |
Paul Rogers, S. Thomas Emerson, John J. Daleiden, Gregory S. Wohlenberg, Mark E. Fogle |
2006-11-14 |
| 6785379 |
Call management system with call control form user workstation computers |
Paul Rogers, S. Thomas Emerson, John J. Daleiden, Gregory S. Wohlenberg, Mark E. Fogle |
2004-08-31 |
| 5946386 |
Call management system with call control from user workstation computers |
Paul Rogers, S. Thomas Emerson, John J. Daleiden, Gregory S. Wohlenberg, Mark E. Fogle |
1999-08-31 |
| 5181243 |
System and method for communications security protection |
Dean Scarinci, William O. Sparks, Geoffrey W. Gates |
1993-01-19 |
| 5168519 |
System and method for securing DTMF transmission |
Dean Scarinci, William O. Sparks, Geoffrey W. Gates |
1992-12-01 |
| 5148478 |
System and method for communications security protection |
Dean Scarinci |
1992-09-15 |
| 4972469 |
System and method for communications security protection |
Dean Scarinci, William O. Sparks, Geoffrey W. Gates |
1990-11-20 |