H04Q 5/20
The subordinate centre permitting interconnection of subscribers connected thereto
Official title: the subordinate centre permitting interconnection of subscribers connected thereto
H04Q5/20 (The subordinate centre permitting interconnection of subscribers connected thereto) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 12 Jun 1979
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| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
By publication year. Applications have been published since 2001.
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