Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5729824 | Distributed digital loop carriers system using coaxial cable | J. Mark Elder, Stephen H. Diaz, Joseph Carey, James A. Pinyan | 1998-03-17 |
| 5027391 | Call management system | Lawrence R. Benko | 1991-06-25 |
| 4602133 | Adaptive echo cancelling system and method utilizing linear code spacing | — | 1986-07-22 |
| 4365112 | Speech detector circuit for a TASI system | Peter G. Ruether | 1982-12-21 |
| 4314100 | Data detection circuit for a TASI system | Peter G. Ruether, Patrick Vachon | 1982-02-02 |
| RE30220 | Station loop control arrangement for telephone switching system | — | 1980-02-19 |