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Craig L. Jensen
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Thin film pretreatment for memory disks and associated methods
Patent number
5,747,135
Issue date
May 5, 1998
Aluminum Company of America
Dhruba J. Chakrabarti
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory disk sheet stock and method
Patent number
5,601,934
Issue date
Feb 11, 1997
Aluminum Company of America
Charles W. Bartges
G11 - INFORMATION STORAGE
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Patent Grant
Superplastic aluminum products and alloys
Patent number
5,055,257
Issue date
Oct 8, 1991
Aluminum Company of America
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Superplastic aluminum products and alloys
Patent number
4,874,440
Issue date
Oct 17, 1989
Aluminum Company of America
Ralph R. Sawtell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Superplastic aluminum alloys containing scandium
Patent number
4,689,090
Issue date
Aug 25, 1987
Aluminum Company of America
Ralph R. Sawtell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...