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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
8131503 Process tolerant reverse delta-beta directional coupler switch and method of fabricating same Oct 3, 1993 Dec 19, 1994
8131348 Temperature measurement in power generator boilers Oct 3, 1993 Oct 17, 1994
8129539 Field calibration of a digitally compensated crystal oscillator over a temperature range Sep 29, 1993 Feb 20, 1995
8129937 System and method for identifying the incoming directory number when multiple directory numbers are assigned to one wireless device Sep 29, 1993 Dec 5, 1994
8129528 Absorption resonant rare earth-doped micro-cavities Sep 29, 1993 Nov 7, 1994
8129564 System for playing card games remotely Sep 29, 1993 Mar 13, 1995
8128178 Electronic cross-connect system H04Q Sep 28, 1993 Dec 5, 1994
8127025 Method and apparatus for attaching connectors to a cable Sep 26, 1993 Dec 5, 1994
8119682 All digital maximum likelihood based spread spectrum receiver Sep 12, 1993 Oct 31, 1994
8120617 Optical data bus having collision detection capability Sep 12, 1993 May 8, 1995
8118538 Method of spiral resist deposition Sep 7, 1993 Mar 6, 1995
8115628 Methods for making planar waveguides with removal of a sacrifical member which surrounds the core Sep 2, 1993 Feb 6, 1995
8115083 Optical fiber alignment techniques Sep 1, 1993 Sep 12, 1994
8114851 Outbound noise cancellation for telephonic handset Sep 1, 1993 Apr 10, 1995
8115951 Busbar holder for securing busbars to a PCB Aug 31, 1993 Jul 11, 1994
8114819 Optical amplifier Aug 30, 1993 Feb 20, 1995
8114725 Method for use by a telecommunications system in enabling improved attendant services Aug 30, 1993 Mar 6, 1995
8114567 Telephone call transfer between a wireless and wired telephone Aug 30, 1993 Feb 13, 1995
8114704 Method of shaping a diamond body Aug 30, 1993 Jan 16, 1995
8114565 Enhancement of 10 base T networks Aug 30, 1993 Feb 20, 1995
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