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AT&T Company

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

Patents Prosecuted

Application numberTitle of the patentIPCFiling DateDecision Date
8113948 Cellular telecommunication switching system for providing public emergency call location information Aug 29, 1993 Feb 6, 1995
8114403 Apparatus for electrically operating devices in a controlled environment Aug 29, 1993 Jan 30, 1995
8114128 Pivotally mounted tray for organizing optical fibers Aug 29, 1993 Aug 14, 1995
8112276 Multimedia call configuration system Aug 26, 1993 Jan 23, 1995
8111112 Non-automatic resetting thermal-protected ballast Aug 23, 1993 Mar 27, 1995
8111344 Wire stripper Aug 23, 1993 Aug 1, 1994
8105788 Integrated optical circuit and methods for connecting such circuits to glass fibers Aug 11, 1993 Dec 5, 1994
8104969 Phototransistor with quantum well base structure Aug 9, 1993 Mar 20, 1995
8103654 Synchronous digital signal to asynchronous digital signal desynchronizer Aug 8, 1993 Aug 8, 1994
8102926 Methods for encapsulating electronic devices Aug 5, 1993 Sep 19, 1994
8102870 Integrated circuit with self-aligned isolation Aug 5, 1993 Mar 6, 1995
8103876 Quantum wire laser Aug 5, 1993 Nov 7, 1994
8102431 Fast turn-off circuit for solid-state relays or the like Aug 4, 1993 Oct 31, 1994
8102037 Multi-band wireless radiotelephone operative in a plurality of air interface of differing wireless communications systems Aug 3, 1993 Apr 10, 1995
8101881 Optical successive modulation-muliplexing for fiber optical network Aug 3, 1993 Aug 7, 1995
8100526 Quasi-hermaphroditic-type optical fiber connection Jul 29, 1993 Jan 23, 1995
8100531 Free standing quantum well structure Jul 29, 1993 Jan 16, 1995
8099118 Integrated circuit devices with solderable lead frame Jul 28, 1993 Oct 31, 1994
8099116 Alarm system with monitoring circuit for detecting a cut or short in a pair of wires Jul 28, 1993 Feb 6, 1995
8098587 Test fixture carrying a channel card for logic level translation Jul 27, 1993 Apr 10, 1995
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