Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7843932 | Secure ATM-based distributed virtual tandem switching system and method | Haifeng Bi, Matthew Wayne Stafford | 2010-11-30 |
| 7304986 | ATM-based distributed network switching system | George C. Allen, Jr., Steven R. Partridge, Samuel Sigarto, Haifeng Bi, Richard W. Stephenson | 2007-12-04 |
| 7227837 | Fault tolerant virtual tandem switch | Haifeng Bi, George C. Allen, Jr., Randy Beamon, Weijing Chen, Janice Elaine Doerner +8 more | 2007-06-05 |
| 7136378 | Secure ATM-based distributed virtual tandem switching system and method | Haifeng Bi, Matthew Wayne Stafford | 2006-11-14 |
| 7095734 | Distributed virtual tandem switch | George C. Allen, Jr., Steven R. Partridge, Samuel Sigarto, Haifeng Bi, Richard W. Stephenson | 2006-08-22 |
| 6765903 | ATM-based distributed network switching system | George C. Allen, Jr., Steven R. Partridge, Samuel Sigarto, Haifeng Bi, Richard W. Stephenson | 2004-07-20 |
| 6757278 | Secure ATM-based distributed virtual tandem switching system and method | Haifeng Bi, Matthew Wayne Stafford | 2004-06-29 |