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Sure chip
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Patent number 5,751,234
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Issue date May 12, 1998
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Eaton Corporation
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John C. Schlotterer
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G06 - COMPUTING CALCULATING COUNTING
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Sure chip
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Patent number 5,525,985
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Issue date Jun 11, 1996
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Eaton Corporation
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John C. Schlotterer
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G06 - COMPUTING CALCULATING COUNTING
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Sure chip plus
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Patent number 5,270,898
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Issue date Dec 14, 1993
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Westinghouse Electric Corp.
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Robert T. Elms
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G06 - COMPUTING CALCULATING COUNTING
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Pulse ratio system
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Patent number 5,023,822
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Issue date Jun 11, 1991
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John C. Schlotterer
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G01 - MEASURING TESTING
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