| 7304986 |
ATM-based distributed network switching system |
George C. Allen, Jr., Samuel Sigarto, Tina Sigarto, Haifeng Bi, Richard W. Stephenson |
2007-12-04 |
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Virtual tandem switch |
George C. Allen, Jr., Haifeng Bi, Samuel Sigarto, Richard W. Stephenson |
2006-08-29 |
| 7095734 |
Distributed virtual tandem switch |
George C. Allen, Jr., Samuel Sigarto, Tina Sigarto, Haifeng Bi, Richard W. Stephenson |
2006-08-22 |
| 6765903 |
ATM-based distributed network switching system |
George C. Allen, Jr., Samuel Sigarto, Tina Sigarto, Haifeng Bi, Richard W. Stephenson |
2004-07-20 |
| 6389011 |
ATM-based distributed virtual tandem switching system |
George C. Allen, Jr., Haifeng Bi, Samuel Sigarto, Richard W. Stephenson |
2002-05-14 |
| 6345048 |
ATM-based distributed virtual tandem switching system |
George C. Allen, Jr., Haifeng Bi, Samuel Sigarto, Richard W. Stephenson |
2002-02-05 |
| 6219348 |
ATM-based distributed virtual tandem switching system |
George C. Allen, Jr., Haifeng Bi, Samuel Sigarto, Richard W. Stephenson |
2001-04-17 |
| 6169735 |
ATM-based distributed virtual tandem switching system |
George C. Allen, Jr., Haifeng Bi, Samuel Sigarto, Richard W. Stephenson |
2001-01-02 |