Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7583605 | Method and system of evaluating survivability of ATM switches over SONET networks | Laxman Sahasrabuddhe | 2009-09-01 |
| 7468955 | System and method of defining a modified UPSR SONET network including sub-tending rings | — | 2008-12-23 |
| 7227837 | Fault tolerant virtual tandem switch | Haifeng Bi, George C. Allen, Jr., Randy Beamon, Weijing Chen, Janice Elaine Doerner +8 more | 2007-06-05 |