| 6580254 |
Apparatus and method for providing span power to communication equipment at a customer premise |
— |
2003-06-17 |
| 6466582 |
Arbitration mechanism for statistically multiplexed frame relay switching system |
W. Stuart Venters, Philip David Williams |
2002-10-15 |
| 6370152 |
Distributed SNMP agent for frame relay switching network |
W. Stuart Venters, Philip David Williams |
2002-04-09 |
| 6356560 |
Arbitration mechanism for statistically multiplexed frame relay switching system |
W. Stuart Venters, Philip David Williams |
2002-03-12 |
| 6175508 |
Form factor-configured channel bank card containing form factor non-conformal printed circuit board |
Lonnie S. McMillian, Barry S. Smith |
2001-01-16 |
| 5959847 |
Form factor-configured channel bank card containing form factor non-conformal printed circuit board |
Lonnie S. McMillian, Barry S. Smith |
1999-09-28 |
| 5822398 |
Control of operating states of channel unit installed in performance monitoring capable D4 channel bank |
Clifford L. Hall |
1998-10-13 |