H04M 7/16
In systems employing carrier frequencies
Official title: in systems employing carrier frequencies
H04M7/16 (In systems employing carrier frequencies) appears on 2 US grants and 0 published applications in this corpus.
Search patents in H04M- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 2
- Latest grant
- 3 Feb 1976
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents