Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408524 | Answer supervision over pulse code modulated carrier system and method therefore | — | 1995-04-18 |
| 5301187 | System for implementing broadband audio program telephony circuits using 2B1Q technology | — | 1994-04-05 |
| 5140625 | System for testing 2B1Q telephony loopback circuits and method therefor | Terry D. Bolinger | 1992-08-18 |
| 5131033 | Sealing current generator for a telephone circuit | — | 1992-07-14 |
| 5081670 | Smart data station termination (DST) without active equalizers | — | 1992-01-14 |