LH

Leslie Derek Humphrey

BL British Telecommunications Public Limited: 23 patents #13 of 1,458Top 1%
Nortel Networks Limited: 17 patents #76 of 5,294Top 2%
Overall (All Time): #76,135 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
7075935 Engineering operations channel provision 2006-07-11
6990105 Transporting multiprotocol datagrams Simon Daniel Brueckheimer, David John Stacey 2006-01-24
6650697 Wireline communication system and method of frequency allocation therein Christopher Tate, Igor K Czajkowski 2003-11-18
6577650 Method of setting-up and controlling synchronization within a modem Christopher Tate, Roger James Williamson, Igor K Czajkowski 2003-06-10
6563827 Distribution network Simon Daniel Brueckheimer 2003-05-13
6560225 Enhanced performance VoDSL Igor K Czajkowski, Christopher Tate 2003-05-06
6526058 VODSL service provision Igor K Czajkowski, Brian Unitt, Michael Grant 2003-02-25
6522647 Enhanced VoDSL service provision Igor K Czajkowski, Brian Unitt 2003-02-18
6483914 Telephone filter arrangement Roger James Williamson, Bryan Parlor 2002-11-19
6477249 Communications signal splitter and filter Roger James Williamson 2002-11-05
6449261 Time division duplexed multicarrier transmission 2002-09-10
6434154 TDM/TDMA distribution network David John Stacey, Simon Daniel Brueckheimer 2002-08-13
6396853 Providing data services to telecommunications user terminals Brian Unitt 2002-05-28
6353636 Symbol alignment method Christopher Tate, Andrew D Wallace 2002-03-05
6130918 Method and apparatus for reducing the peak-to-average ratio in a multicarrier communication system Andrew D Wallace 2000-10-10
5959967 Digital transmission system Christopher Tate 1999-09-28