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Malcom D. Williams
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Danville, CA, US
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last 30 patents
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Patent Grant
Charge neutralization apparatus for ion implantation system
Patent number
5,136,171
Issue date
Aug 4, 1992
Varian Associates, Inc.
Ka-Ngo Leung
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Large area directly heated lanthanum hexaboride cathode structure h...
Patent number
4,795,940
Issue date
Jan 3, 1989
The United States of America as represented by the United States Department o...
Ka-Ngo Leung
H01 - BASIC ELECTRIC ELEMENTS