Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10049688 | Method for handling on-hold music during telephone connection and corresponding communication device | Anton Werner Keller, Stefan Dubach | 2018-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10049688 | Method for handling on-hold music during telephone connection and corresponding communication device | Anton Werner Keller, Stefan Dubach | 2018-08-14 |