Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974650 | Interoperability between different types of wireless networks for push to talk group calls | Sharmin Chowdhury, Thomas P. Chu, Ping Z. Perzentka, Charles W. Salisbury | 2011-07-05 |