H04L 15/22
Apparatus or circuits for sending one or a restricted number of signals
Official title: Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
H04L15/22 (Apparatus or circuits for sending one or a restricted number of signals) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H04L- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 29 Sep 1981
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| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
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