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Judson A. McDowell
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Tucson, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method, system, program, and storage cartridge for storing data in...
Patent number
6,937,411
Issue date
Aug 30, 2005
International Business Machines Corporation
Brian Gerard Goodman
G11 - INFORMATION STORAGE
Information
Patent Grant
Low cost tamper-resistant method for write-once read many (WORM) st...
Patent number
6,272,086
Issue date
Aug 7, 2001
International Business Machines Corporation
Glen Alan Jaquette
G11 - INFORMATION STORAGE
Information
Patent Grant
Spare and calibration sector management for optical WORM media
Patent number
5,548,572
Issue date
Aug 20, 1996
International Business Machines Corporation
John E. Kulakowski
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration of readback threshold in an optical storage device to d...
Patent number
5,526,329
Issue date
Jun 11, 1996
International Business Machines Corporation
John E. Bish
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration of readback threshold in an optical storage device
Patent number
5,430,702
Issue date
Jul 4, 1995
International Business Machines Corporation
John E. Bish
G11 - INFORMATION STORAGE
Information
Patent Grant
Zoned record carrier
Patent number
5,418,773
Issue date
May 23, 1995
International Business Machines Corporation
Johannus L. Bakx
G11 - INFORMATION STORAGE
Information
Patent Grant
Fortmat for data-storing disk media wherein addressable track angul...
Patent number
5,293,565
Issue date
Mar 8, 1994
International Business Machines Corporation
Glen A. Jaquette
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk device using high and low data-sensing criteria plus d...
Patent number
5,233,584
Issue date
Aug 3, 1993
International Business Machines Corporation
John E. Kulakowski
G11 - INFORMATION STORAGE
Information
Patent Grant
Detection of instantaneous speed variations in a tape drive
Patent number
4,633,333
Issue date
Dec 30, 1986
International Business Machines Corporation
Alfred W. Blanco
G11 - INFORMATION STORAGE
Information
Patent Grant
Interleaved synch and beginning of data indicators
Patent number
4,081,844
Issue date
Mar 28, 1978
International Business Machines Corporation
Ernest William Devore
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Method, system, program, and storage cartridge for storing data in...
Publication number
20030026021
Publication date
Feb 6, 2003
International Business Machines Corporation
Brian Gerard Goodman
G11 - INFORMATION STORAGE