Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361885 | System for channel-specific releasing and blocking of telephone channels in converters of a time division multiplex system for pulse code modulation | — | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361885 | System for channel-specific releasing and blocking of telephone channels in converters of a time division multiplex system for pulse code modulation | — | 1982-11-30 |