H04Q 1/16

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
7865164 Apparatus and methods for downconverting radio frequency signalsSep 27, 07Jan 04, 11QUALCOMM INCORPORATED
6337859 Non-blocking crossconnect apparatusDec 31, 97Jan 08, 02AT&T CORP., AT&T WIRELESS SERVICES, INC.,
5325089 Two-stage, at least doubled ATM reversing switching network having (2n.times.2n) switching matricesMar 02, 92Jun 28, 94SIEMENS AKTIENGESELLSCHAFT
4918440 Programmable logic cell and arrayNov 07, 86Apr 17, 90APPLE COMPUTER, INC., ATMEL CORPORATION,
4342883 Pushbutton switch assemblies for telephone setsAug 22, 79Aug 03, 82NORTEL NETWORKS LIMITED, NORTHERN TELECOM INC.,
4326107 Communication system and means for interconnection of sameNov 09, 79Apr 20, 82BUNKER RAMO CORPORATION A CORP. OF DE
4313039 Telephone modular distributing frameMay 19, 80Jan 26, 82Porta Systems Corp.