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Robert Keller
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Menlo Park, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Method and system for restricting access to user resources
Patent number
9,038,145
Issue date
May 19, 2015
At Home Bondholders' Liquidating Trust
Ralph William Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for restricting access to user resources
Patent number
8,631,474
Issue date
Jan 14, 2014
At Home Bondholders' Liquidating Trust
Ralph William Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for restricting access to user resources
Patent number
8,209,427
Issue date
Jun 26, 2012
At Home Bondholders' Liquidating Trust
Ralph William Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for restricting access to user resources
Patent number
7,873,737
Issue date
Jan 18, 2011
At Home Bondholders' Liquidating Trust
Ralph William Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for restricting access to user resources
Patent number
7,406,530
Issue date
Jul 29, 2008
At Home Corporation
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for restricting access to user resources
Patent number
6,732,179
Issue date
May 4, 2004
At Home Corporation
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for authorizing and authenticating users
Patent number
6,678,733
Issue date
Jan 13, 2004
At Home Corporation
Ralph W. Brown
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method And System For Restricting Access To User Resources
Publication number
20140109198
Publication date
Apr 17, 2014
At Home Bondholders' Liquidating Trust
Ralph William Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method And System For Restricting Access To User Resources
Publication number
20120297460
Publication date
Nov 22, 2012
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and System for Restricting Access to User Resources
Publication number
20110023117
Publication date
Jan 27, 2011
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method And System For Restricting Access To User Resources
Publication number
20080271159
Publication date
Oct 30, 2008
AT HOME CORPORATION
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for restricting access to user resources
Publication number
20040210633
Publication date
Oct 21, 2004
Ralph W. Brown
G06 - COMPUTING CALCULATING COUNTING