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Your search returned 122 patents.
( 379/93.15 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5333266 | Method and apparatus for message handling in computer systems
| March 27, 1992 |
| 5317627 | Enhanced wide area audio response network
| March 16, 1992 |
| 5283731 | Computer-based classified ad system and method
| December 23, 1992 |
| 5239542 | Time division multiplex switching system for interconnecting telephone circuits which operate in accordance with different signalling systems and call formats
| August 23, 1991 |
| 5220560 | Modem pool system based on a packet communication procedure
| January 17, 1991 |
| 5193089 | Key telephone system
| November 30, 1989 |
| 5151923 | Voice frequency communication apparatus
| June 27, 1989 |
| 5150357 | Integrated communications system
| June 12, 1989 |
| 5146488 | Multi-media response control system
| February 14, 1990 |
| 5127003 | Digital/audio interactive communication network
| February 11, 1991 |
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