Issued Patents All Time
Showing 301–316 of 316 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8630726 | System and method for detecting three-way call circumvention attempts | Fred Kesterson, Serge Seyfetdinov | 2014-01-14 |
| 8515031 | Voice message exchange | David Woody | 2013-08-20 |
| 8509736 | Telecommunication call management and monitoring system with voiceprint verification | — | 2013-08-13 |
| 8494144 | System and method for controlled call handling | — | 2013-07-23 |
| 8488756 | Electronic messaging exchange | David Woody | 2013-07-16 |
| 8345850 | System and method for detecting three-way call attempts | — | 2013-01-01 |
| 8243891 | Voice message exchange | David Woody | 2012-08-14 |
| 7853243 | Telecommunication call management and monitoring system | — | 2010-12-14 |
| 7844252 | Telecommunication call management and monitoring system | — | 2010-11-30 |
| 7783021 | Digital telecommunications call management and monitoring system | — | 2010-08-24 |
| 7742581 | Electronic messaging exchange | David Woody | 2010-06-22 |
| 7639791 | Means and method for detecting three-way call attempts | — | 2009-12-29 |
| 7403766 | Telecommunication call management and monitoring system with voiceprint verification | — | 2008-07-22 |
| 7333798 | Telecommunication call management and monitoring system | — | 2008-02-19 |
| 5321876 | Method of converting aircraft brake assemblies | Lyle E. Massing | 1994-06-21 |
| 4227146 | Cable tester for locating shorts discontinuities and reversals in multi-conductor cables | — | 1980-10-07 |