Tappan; Daniel C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tappan; Daniel C..The latest application filed is for "link discovery and verification using loss of light".

Company Profile

0.16.5

Tappan; Daniel C. - Boxborough MA
Tappan; Daniel C. - Boxboro MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Psuedowire termination directly on a router Grant 8,001,252 - Guichard , et al. August 16, 2	2011-08-16
Link Discovery and Verification Using Loss of Light App 20090169202 - Bradford; Richard ; et al.	2009-07-02
IPv6 over MPLS IPv4 core Grant 7,526,571 - Tappan , et al. April 28, 2	2009-04-28
Method and apparatus providing highly scalable server load balancing Grant 7,512,702 - Srivastava , et al. March 31, 2	2009-03-31
Hierarchical label distribution for inter-area summarization of edge-device addresses Grant 7,483,387 - Guichard , et al. January 27, 2	2009-01-27
Methods and apparatus to distribute policy information Grant 7,373,660 - Guichard , et al. May 13, 2	2008-05-13
IPv6 over MPLS IPv4 core Grant 7,246,175 - Tappan , et al. July 17, 2	2007-07-17
Two label stack for transport of network layer protocols over label switched networks Grant 7,243,161 - Tappan , et al. July 10, 2	2007-07-10
Hierarchical label distribution for inter-area summarization of edge-device addresses App 20060262735 - Guichard; James ; et al.	2006-11-23
Link discovery and verification procedure using loopback Grant 7,065,268 - Prairie , et al. June 20, 2	2006-06-20
Link Discovery And Verification Using Loss Of Light App 20060120719 - Bradford; Richard ; et al.	2006-06-08
Link discovery and verification using loss of light Grant 7,046,928 - Bradford , et al. May 16, 2	2006-05-16
Pseudowire termination directly on a router App 20060090008 - Guichard; Jim ; et al.	2006-04-27
Link discovery and verification procedure using loopback App 20050083835 - Prairie, Danny ; et al.	2005-04-21
Link discovery and verification procedure using loopback Grant 6,834,139 - Prairie , et al. December 21, 2	2004-12-21
Hierarchical label switching across multiple OSPF areas Grant 6,603,756 - Tappan August 5, 2	2003-08-05
Hierarchical label switching across multiple OSPF areas Grant 6,473,421 - Tappan October 29, 2	2002-10-29
Congestion avoidance on communications networks Grant 6,430,155 - Davie , et al. August 6, 2	2002-08-06
Use of a single data structure for label forwarding and imposition Grant 6,295,296 - Tappan September 25, 2	2001-09-25
Technique for efficiently performing optional TTL propagation during label imposition Grant 5,991,300 - Tappan November 23, 1	1999-11-23
Message header classifier Grant 5,394,394 - Crowther , et al. February 28, 1	1995-02-28

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