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David Charles Joy
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Summit, NJ, US
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last 30 patents
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Patent Grant
Induced crystallographic modification of aromatic compounds
Patent number
4,443,532
Issue date
Apr 17, 1984
Bell Telephone Laboratories, Incorporated
David C. Joy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Low work function hexaboride electron source
Patent number
4,200,555
Issue date
Apr 29, 1980
Bell Telephone Laboratories, Incorporated
David C. Joy
C30 - CRYSTAL GROWTH
Information
Patent Grant
Electron source of a single crystal of lanthanum hexaboride emittin...
Patent number
4,054,946
Issue date
Oct 18, 1977
Bell Telephone Laboratories, Incorporated
Stephen Duncan Ferris
H01 - BASIC ELECTRIC ELEMENTS