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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
8160701 Method of manufacturing shallow junction field effect transistor Nov 30, 1993 Mar 6, 1995
8160982 Modulated snubber driver for active snubber network Nov 29, 1993 Oct 23, 1995
8159348 Method and apparatus for privacy of traffic behavior on a shared medium network Nov 29, 1993 Aug 14, 1995
8159178 Low-power area-efficient and robust asynchronous-to-synchronous interface Nov 29, 1993 May 27, 1996
8159402 Automatic gain control circuit for a digital baseband line equalizer Nov 29, 1993 Dec 26, 1994
8157590 Material removal with focused particle beams Nov 23, 1993 Jan 8, 1996
8157857 Detection of arcs in power cables using plasma noise or negtive resistance of the arcs Nov 23, 1993 May 22, 1995
8156137 FET-based optical receiver Nov 21, 1993 Feb 13, 1995
8156118 Electrooptic device structure and method for reducing thermal effects in optical waveguide modulators Nov 21, 1993 Feb 6, 1995
8156153 Mounted connector pin test using image processing Nov 21, 1993 Apr 17, 1995
8154607 Modular recessed compact fluorescent lamp fixture Nov 17, 1993 Apr 24, 1995
8155610 Semiconductor photodiode device with isolation region Nov 16, 1993 Oct 31, 1994
8153861 Method for preparation of monolithically integrated devices Nov 15, 1993 Jul 10, 1995
8153719 Method for preparation of silicon nitride gallium diffusion barrier for use in molecular beam epitaxial growth of gallium arsenide Nov 15, 1993 Nov 20, 1995
8153526 Method and apparatus for group-specific calling Nov 15, 1993 Apr 8, 1996
8152603 Reflective digitally tunable laser Nov 14, 1993 Mar 6, 1995
8151443 Automatic mass handling system for small electronic components Nov 11, 1993 Jan 2, 1995
8152992 Lateral high-voltage PNP transistor Nov 11, 1993 May 29, 1995
8152993 Method and means for preventing fraudulent use of telephone network Nov 11, 1993 Feb 26, 1996
8150628 Input stages for high voltage operational amplifier Nov 8, 1993 Feb 13, 1995
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