Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9462401 | Method for operating a public address system | Thomas Muller, Robert Reither, Josef Schreiner | 2016-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9462401 | Method for operating a public address system | Thomas Muller, Robert Reither, Josef Schreiner | 2016-10-04 |