DG

David Grabelsky

3C 3Com: 30 patents #5 of 1,190Top 1%
HP HP: 6 patents #4,446 of 16,619Top 30%
UT Utstarcom: 2 patents #31 of 185Top 20%
Overall (All Time): #83,371 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 25 most recent of 39 patents

Patent #TitleCo-InventorsDate
8547967 Method and apparatus for PSTN-based IP active call recovery and re-routing Michael Homeier 2013-10-01
8539552 System and method for network based policy enforcement of intelligent-client features Anoop Tripathi, Michael Homeier, Guanglu Wang 2013-09-17
8509225 IP-based enhanced emergency services using intelligent client devices Michael Homeier, Anoop Tripathi, Boby Joseph 2013-08-13
8027333 IP-based enhanced emergency services using intelligent client devices Michael Homeier, Anoop Tripathi, Boby Joseph 2011-09-27
7990955 Method and apparatus for PSTN-based IP active call recovery and re-routing Michael Homeier 2011-08-02
7860089 Method and system for network based call-pickup Anoop Tripathi, Guanglu Wang 2010-12-28
7702726 System and methods for providing presence services in IP network Anoop Tripathi, Michael Homeier, Guanglu Wang 2010-04-20
7634577 Media gateway proxy Boris Bekkerman, John Poplett, Sudhakar Ramakrishna 2009-12-15
7613170 Method and apparatus for PSTN-based IP active call recovery and re-routing Michael Homeier 2009-11-03
7564835 System and method for maximizing the use of bandwidth optimization techniques in voice-over-packet connections Anoop Tripathi, Boris Bekkerman, Michael Homeier 2009-07-21
7480723 Method and system for providing directory based services Anoop Tripathi, Michael Homeier, Sudhakar Ramakrishna 2009-01-20
7453815 Method and system for monitoring and management of the performance of real-time networks Ikhlaq S. Sidhu, Guido M. Schuster, Jacek A. Grabiec 2008-11-18
7450560 Method for address mapping in a network access system and a network access device for use therewith Michael Borella, John Poplett, Richard J. Dynarski 2008-11-11
7440442 IP-based enhanced emergency services using intelligent client devices Michael Homeier, Anoop Tripathi, Boby Joseph 2008-10-21
7417988 Method and system for network based call-pickup Anoop Tripathi, Guanglu Wang 2008-08-26
7032242 Method and system for distributed network address translation with network security features Michael Borella, Ikhlaq S. Sidhu, Danny M. Nessett 2006-04-18
6996621 Method for supporting secondary address delivery on remote access servers Michael Borella, Boby Joseph 2006-02-07
6966003 System and method for switching security associations Boby Joseph, Michael Borella 2005-11-15
6954454 Architecture for a central office using IP technology Guido M. Schuster, Ikhlaq S. Sidhu, Jerry Mahler, Jacek A. Grabiec, Thomas J. Kostas +1 more 2005-10-11
6948074 Method and system for distributed generation of unique random numbers for digital tokens Michael Borella 2005-09-20
6937610 Method and protocol for a medium access control layer for local area networks with multiple-priority traffic Ikhlaq S. Sidhu 2005-08-30
6822957 Distributed network address translation for a network telephony system Guido M. Schuster, Michael Borella, Ikhlaq S. Sidhu 2004-11-23
6785374 Method and apparatus for providing transaction capabilities application part information in a session initiation protocol system Guanglu Wang, Michael Homeier, Anoop Tripathi 2004-08-31
6781982 Method and system for allocating persistent private network addresses between private networks Michael Borella, Nurettin Burcak Beser 2004-08-24
6768743 Method and system for address server redirection for multiple address networks Michael Borella 2004-07-27