Search
 
Company

AT&T Company

159 Case(s) (Last 5 Years)
www.att.com

Patents Prosecuted

Application numberTitle of the patentIPCFiling DateDecision Date
8339809 Thermally actuated heating/cooling air changeover deflector structure for a ceiling diffuser Nov 14, 1994 Dec 18, 1995
8320965 Lighting device used in an exit sign Oct 11, 1994 Jul 22, 1996
8285458 Method of high yield manufacture of VLSI type integrated circuit devices by determining critical surface characteristics of mounting films Aug 2, 1994 Dec 4, 1995
8281414 Lighting device used in an exit sign Jul 26, 1994 Jun 10, 1996
8271931 Node failure restoration tool Jul 6, 1994 Oct 30, 1995
8267054 Apparatus and method for cutting through cable sheathings Jun 26, 1994 Oct 16, 1995
8227780 Area lighting system for near uniform illumination of a square horizontal surface area without side glare and including a horizontally-oriented arc tube lamp Apr 13, 1994 Nov 7, 1994
8225950 Low-power-dissipation CMOS circuits Apr 7, 1994 Sep 11, 1995
8223248 Method and apparatus for controlling excavation eqiupment Apr 3, 1994 Jan 1, 1996
8221310 Optical time slot interchanger apparatus and method of operation Mar 30, 1994 Mar 27, 1995
8221632 PI/4-DQPSK phase state encoder/decoder Mar 30, 1994 Jul 31, 1995
8217296 Electron beam deposition of gallium oxide thin films using a single high purity crystal source Mar 22, 1994 Sep 18, 1995
8210529 Video signal processing systems and methods utilizing automated speech analysis Mar 17, 1994 Dec 10, 2001
8215069 Method and system for routing phone calls based on voice and data transport capability Mar 17, 1994 Jul 1, 1996
8210107 Method for automatic memory reclamation for object-oriented systems with real-time constraints Mar 16, 1994 Jan 15, 1996
8214715 Battery handle Mar 15, 1994 Dec 12, 1994
8205617 Modified half-bridge parallel-loaded series resonant converter topology for electronic ballast Mar 2, 1994 Jun 12, 1995
8203083 Process for converting lead and lead oxides to barium metaplumbate Feb 27, 1994 Apr 15, 1996
8203209 Method and apparatus for controlling dynamic random access memory devices Feb 27, 1994 Jan 30, 1995
8200090 Diversity for direct-sequence spread spectrum systems Feb 21, 1994 Feb 27, 1995
Menu