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John S. Denker
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Leonardo, NJ, US
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last 30 patents
Information
Patent Grant
Method and system to calculate an approximate location of a mobile...
Patent number
7,561,068
Issue date
Jul 14, 2009
AT&T Intellectual Property II, L.P.
John Stewart Denker
G08 - SIGNALLING
Information
Patent Grant
Method and system to calculate an approximate location of a mobile...
Patent number
7,319,413
Issue date
Jan 15, 2008
AT&T Corp.
John Stewart Denker
G08 - SIGNALLING
Information
Patent Grant
Method and apparatus for securely connecting a plurality of trust-g...
Patent number
7,131,141
Issue date
Oct 31, 2006
AT&T Corp.
Charles Douglas Blewett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system to calculate an approximate location of a mobile...
Patent number
7,002,489
Issue date
Feb 21, 2006
AT&T Corp.
John Stewart Denker
G08 - SIGNALLING
Information
Patent Grant
Linked call forwarding
Patent number
6,757,704
Issue date
Jun 29, 2004
AT&T Corp.
John S. Denker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Job ID for fax forwarding
Patent number
6,404,513
Issue date
Jun 11, 2002
AT&T Corp.
John Stewart Denker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for separately permissioned communication
Patent number
6,064,878
Issue date
May 16, 2000
AT&T Corp.
John Stewart Denker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications protocol with improved security
Patent number
5,958,053
Issue date
Sep 28, 1999
AT&T Corp.
John Stewart Denker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low power clock circuit
Patent number
5,559,463
Issue date
Sep 24, 1996
Lucent Technologies Inc.
John S. Denker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low energy differential logic gate circuitry having substantially i...
Patent number
5,506,519
Issue date
Apr 9, 1996
AT&T Corp.
Steven C. Avery
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adiabatic dynamic noninverting circuitry
Patent number
5,477,164
Issue date
Dec 19, 1995
AT&T Corp.
John S. Denker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adiabatic dynamic precharge boost circuitry
Patent number
5,473,270
Issue date
Dec 5, 1995
AT&T Corp.
John S. Denker
H03 - BASIC ELECTRONIC CIRCUITRY