Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5602902 | Four wire modem signal switching for voice and data applications | Glenn M. Lewis | 1997-02-11 | $83,409,000 |
| 5572683 | Firmware selectable address location and size for cis byte and ability to choose between common memory mode and audio mode by using two external pins | Carl J. Epolite, Michael A. Gley | 1996-11-05 | $57,895,000 |