Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853725 | Method and apparatus for off-hook management of plural subscriber premises devices connected to same telephone line | — | 2005-02-08 |
| 6452114 | Plug-in circuit board with reduced insertion force | Theodore A. Schweitzer, Norman S. Saah, Paul H. Bock, Jr. | 2002-09-17 |
| 5848127 | Two-wire channel unit with loopback test capability | Winston M. Gadsby | 1998-12-08 |
| 5278899 | Digital telephone system noise reduction circuit | — | 1994-01-11 |