Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111935 | Adaptive expansion table in a digital telephone receiver | — | 2000-08-29 |
| 5854829 | ISDN fax routing | — | 1998-12-29 |
| 5657381 | ISDN fax routing | — | 1997-08-12 |
| 5652782 | Digital telephone overcoming international incompatibilities | — | 1997-07-29 |
| 5495485 | Transmission of analog and digital information across a single line | — | 1996-02-27 |
| 5479418 | Error and loss correction in a data base stored on a two dimensional medium and method | — | 1995-12-26 |
| 5296693 | Ink intrusion resistant digital code | — | 1994-03-22 |
| 5054034 | Ensemble modem structure for imperfect transmission media | — | 1991-10-01 |
| 4833706 | Ensemble modem structure for imperfect transmission media | — | 1989-05-23 |
| 4757495 | Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels | Dwight W. Decker, Payne Freret, Mark Flowers, Frederick L. Mueller | 1988-07-12 |
| 4731816 | Ensemble modem structure for imperfect transmission media | — | 1988-03-15 |
| 4679227 | Ensemble modem structure for imperfect transmission media | — | 1987-07-07 |