Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8761746 | Extended cascaded ringing | Kenneth Armstrong, David Adam Smith, Ralph Anzarouth, Thomas A. Gray | 2014-06-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8761746 | Extended cascaded ringing | Kenneth Armstrong, David Adam Smith, Ralph Anzarouth, Thomas A. Gray | 2014-06-24 |