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Donald M. Nordahl
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Tucson, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method to control access to logical volumes
Patent number
7,512,735
Issue date
Mar 31, 2009
International Business Machines Corporation
Ezequiel Cervantes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method to control access to logical volumes using par...
Patent number
7,171,514
Issue date
Jan 30, 2007
International Business Machines Corporation
Juan A. Coronado
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Dynamic speed matching of host channel and device data transfers
Patent number
5,944,802
Issue date
Aug 31, 1999
International Business Machines Corporation
Keith Anthony Bello
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for error recovery in a non-synchronous control unit
Patent number
5,446,872
Issue date
Aug 29, 1995
International Business Machines Corporation
Kathryn J. Ayres
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for accessing data from a multi-head data process...
Patent number
5,426,758
Issue date
Jun 20, 1995
International Business Machines Corporation
Susan K. Candelaria
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk rotational position controls for channel operations in a cache...
Patent number
5,235,692
Issue date
Aug 10, 1993
International Business Machines Corporation
Kathryn J. Ayres
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Nonsynchronous channel/DASD communication system
Patent number
5,155,814
Issue date
Oct 13, 1992
International Business Machines Corporation
Brent C. Beardsley
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and method to control access to logical volumes using one...
Publication number
20050114465
Publication date
May 26, 2005
International Business Machines Corporation
Juan A. Coronado
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method to control access to logical volumes using par...
Publication number
20050114591
Publication date
May 26, 2005
International Business Machines Corporation
Juan A. Coronado
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method to control access to logical volumes
Publication number
20050114624
Publication date
May 26, 2005
International Business Machines Corporation
Ezequiel Cervantes
G06 - COMPUTING CALCULATING COUNTING