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John F. Walker
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Westfield, NJ, US
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last 30 patents
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Patent Grant
Method of growing III-V semiconductor layers with high effective ho...
Patent number
4,939,102
Issue date
Jul 3, 1990
American Telephone and Telegraph Company
Robert A. Hamm
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Infrared-radiation detector device
Patent number
4,894,526
Issue date
Jan 16, 1990
American Telephone and Telegraph Company, AT&T Bell Laboratories
Clyde G. Bethea
B82 - NANO-TECHNOLOGY