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Chul W. Cho
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Monroeville, PA, US
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last 30 patents
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Patent Grant
Aluminum-lithium alloys and method of making same
Patent number
4,921,548
Issue date
May 1, 1990
Aluminum Company of America
Chul W. Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum-lithium alloys and process therefor
Patent number
4,915,747
Issue date
Apr 10, 1990
Aluminum Company of America
Chul W. Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum-lithium alloys
Patent number
4,844,750
Issue date
Jul 4, 1989
Aluminum Company of America
Chul Won Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for producing duplex mode recrystallized high strength alum...
Patent number
4,816,087
Issue date
Mar 28, 1989
Aluminum Company of America
Chul W. Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum-lithium alloys and method of making the same
Patent number
4,806,174
Issue date
Feb 21, 1989
Aluminum Company of America
Chul W. Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum-lithium alloy products and method of making the same
Patent number
4,795,502
Issue date
Jan 3, 1989
Aluminum Company of America
Chul W. Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...