Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953210 | Switch proxy for providing emergency stand-alone service in remote access systems | Joseph Marcus Elder | 2011-05-31 |
| 6151364 | Codec supporting PCM modem communications over a universal digital loop carrier | Carolyn G. Ford | 2000-11-21 |
| 6052412 | Codec supporting PCM modem communications over a universal digital loop carrier | Carolyn G. Ford | 2000-04-18 |
| 5488413 | CATV telephony system using subsplit band for both directions of transmission | Joseph Marcus Elder, Donald L. Bise, Terry D. Bolinger | 1996-01-30 |
| 4365112 | Speech detector circuit for a TASI system | John F. O'Neill | 1982-12-21 |
| 4352957 | Speech detector circuit with associated gain control for a tasi system | — | 1982-10-05 |
| 4314100 | Data detection circuit for a TASI system | Patrick Vachon, John F. O'Neill | 1982-02-02 |
| 4251881 | Centralized automatic gain control circuit | Patrick Vachon | 1981-02-17 |
| 4218587 | Complex signal generation and transmission | J. Mark Elder | 1980-08-19 |