- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 5/18 - Arrangements for signalling the class or number of called or calling line from one exchange to another
Patent holdings for IPC class H04M 5/18
Total number of patents in this class: 2
10-year publication summary
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0
|
1
|
0
|
1
|
0
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0
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0
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Verizon Patent And Licensing Inc. | 6900 |
1 |
| TeleCommunication Systems, Inc. | 268 |
1 |
| Other owners | 0 |