Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928276 | T1 line format for robbed signaling for use with CCITT 32K bit per second ADPCM clear channel transmission and 64KBPS clear channel transmission | Stephen J. Czarnecki | 1990-05-22 |
| 4747112 | Decoding method for T1 line format for CCITT 32K bit per second ADPCM clear channel transmission and 64 KBPS clear channel transmission | Stephen J. Czarnecki | 1988-05-24 |
| 4742531 | Encoding method for T1 line format for CCITT 32k bit per second ADPCM clear channel transmission | Stephen J. Czarnecki | 1988-05-03 |