Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671251 | Apparatus and method for a data communications device to selectively operate as an analog modem, as a digital modem, and as a terminal adapter | Steven R. Blackwell, C. C. Fridlin | 1997-09-23 |
| 5598401 | Apparatus and method for a digital data communications device to operate in an analog mode | Steven R. Blackwell, Charles C. Fridlin, IV | 1997-01-28 |