Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561536 | Method and apparatus for simultaneous incoming digital call processing using ISDN bonding channels | Guruprasad Subbarao, David Hein | 2009-07-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561536 | Method and apparatus for simultaneous incoming digital call processing using ISDN bonding channels | Guruprasad Subbarao, David Hein | 2009-07-14 |