TURNSTONE SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

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H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6917086 Trilayered beam MEMS device and related methodsApr 02, 04Jul 12, 05[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6937157 Smart cable for design of high density metallic cross connect systemsExpiredMay 13, 02Aug 30, 05[G08B]
6903939 Physical architecture for design of high density metallic cross connect systemsExpiredApr 19, 02Jun 07, 05[H05K]
6870724 Protection of double end exposed systemsExpiredJan 22, 04Mar 22, 05[H02H]
6856936 Method and system to provide an improved time domain reflectrometry techniqueExpiredJul 31, 02Feb 15, 05[G01R]
6741675 Method and apparatus for generating an audible tone in DSL environmentExpiredJul 23, 01May 25, 04[H04M]
6700770 Protection of double end exposed systemsExpiredMar 22, 02Mar 02, 04[H02H]
6683768 Circuit topology for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devicesExpiredFeb 06, 02Jan 27, 04[H02H]
6671149 Systems and methods for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devicesExpiredSep 28, 00Dec 30, 03[H02H]
6594343 Splitter bypass architecture for testing multiple portsExpiredApr 25, 01Jul 15, 03[H04M]
6574309 Remotely actuated splittler bypass system and methodExpiredMar 01, 00Jun 03, 03[H04M]
6574313 Voice over DSL method and system for supporting a lifelineExpiredMay 12, 00Jun 03, 03[H04M]
6553105 Enabling and powering of remotely actuated bypass splittersExpiredApr 30, 02Apr 22, 03[H04M]
6546089 Method and system for supporting a lifeline associated with voice over DSLExpiredMay 26, 00Apr 08, 03[H04M]
6480575 Structure and circuit topology for a remotely actuated bypass splitterExpiredApr 30, 02Nov 12, 02[H04M]
6453016 Method and apparatus for detecting and locating a fault in a telecommunications environmentExpiredSep 27, 01Sep 17, 02[H04M]
6343114 Remotely addressable maintenance unitExpiredDec 30, 99Jan 29, 02[H04M]
6292540 Battery injection and loop supervision for DSL environmentExpiredJan 28, 00Sep 18, 01[H04M]

Top Inventors for This Owner

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