Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9344820 | Method, apparatus, and system for mass audio notification field | Matthew T. Battig, Ying Du | 2016-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9344820 | Method, apparatus, and system for mass audio notification field | Matthew T. Battig, Ying Du | 2016-05-17 |