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David K. Cheung
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Milpitas, CA, US
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last 30 patents
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Patent Grant
Automatic test equipment system using pin slice architecture
Patent number
5,461,310
Issue date
Oct 24, 1995
Schlumberger Technologies, Inc.
David K. Cheung
G01 - MEASURING TESTING
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Patent Grant
Driver circuits for IC tester
Patent number
5,430,400
Issue date
Jul 4, 1995
Schlumberger Technologies Inc.
Richard F. Herlein
G01 - MEASURING TESTING
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Patent Grant
Automatic test equipment system using pin slice architecture
Patent number
5,225,772
Issue date
Jul 6, 1993
Schlumberger Technologies, Inc.
David K. Cheung
G01 - MEASURING TESTING