RA

R. Ashby Armistead

CI Cisco: 13 patents #1,031 of 13,007Top 8%
Overall (All Time): #386,792 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7668158 Packet-switched telephony with circuit-switched backup 2010-02-23
7616646 Intraserver tag-switched distributed packet processing for network access servers Stephen Ma, Suresh Sangiah, Jagannadh Tangirala 2009-11-10
7606245 Distributed packet processing architecture for network access servers Stephen Ma, Suresh Sangiah, Jagannadh Tangirala 2009-10-20
7493411 Call control system and method for automatic routing of circuit switched data connections based upon stored communication link information Robert L. Sargent, Tod W. Hays 2009-02-17
7116707 Modem failover without call loss 2006-10-03
6954463 Distributed packet processing architecture for network access servers Stephen Ma, Suresh Sangiah, Jagannadh Tangirala 2005-10-11
6781983 Packet-switched telephony with circuit-switched backup 2004-08-24
6643703 Method and apparatus for automatic routing of circuit switched data connections based upon stored behavioral information Robert L. Sargent, Tod W. Hays 2003-11-04
6553117 Programmable multiple-standard digital communications system Trevor Alan Schulze 2003-04-22
6529959 Method and apparatus for automatic routing of circuit switched data connections based upon stored behavioral information Robert L. Sargent, Tod W. Hays 2003-03-04
6522151 Digital communication system accepting both balanced and unbalanced data signals and method for its use David Metcalf, Danyang Raymond Zheng 2003-02-18
6260071 Method and apparatus for automatic routing of circuit switched data connections based upon stored behavorial information Robert L. Sargent, Tod W. Hays 2001-07-10
6250936 Single-port connection and circuitry accepting both balanced and unbalanced data signals David Metcalf, Danyang Raymond Zheng 2001-06-26