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John J. Carrona
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Concord, MA, US
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last 30 patents
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Patent Grant
Modular all-electrostatic electron-optical column and assembly of s...
Patent number
4,661,709
Issue date
Apr 28, 1987
Control Data Corporation
David M. Walker
B82 - NANO-TECHNOLOGY
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Patent Grant
Electron beam array alignment means
Patent number
4,419,580
Issue date
Dec 6, 1983
Control Data Corporation
David M. Walker
H01 - BASIC ELECTRIC ELEMENTS