Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980897 | Multi-channel trellis encoder/decoder | Gary A. Anwyl, Mark D. Dankberg, Mark J. Miller, Stephen R. Hart, Kristi Jaska | 1990-12-25 |
| 4757495 | Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels | Payne Freret, Dirk Hughes-Hartogs, Mark Flowers, Frederick L. Mueller | 1988-07-12 |