Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7561536 | Method and apparatus for simultaneous incoming digital call processing using ISDN bonding channels | Guruprasad Subbarao, David Hein | 2009-07-14 | $20,261,000 |