- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 9/04 - Arrangements for interconnection not involving centralised switching involving a separate line for each pair of parties
Patent holdings for IPC class H04M 9/04
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amazon Technologies, Inc. | 24422 |
1 |
| Afiniti, Ltd. | 299 |
1 |
| Other owners | 0 |