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Induction motor control system
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Patent number 4,950,970
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Issue date Aug 21, 1990
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Chesebrough-Pond's Inc.
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Ray E. Davis
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Video measuring system
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Patent number 4,628,353
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Issue date Dec 9, 1986
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Chesebrough-Pond's Inc.
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Ray E. Davis
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G07 - CHECKING-DEVICES
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Video inspection system
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Patent number 4,445,185
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Issue date Apr 24, 1984
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Chesebrough-Pond's Inc.
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Ray E. Davis
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G06 - COMPUTING CALCULATING COUNTING
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Video inspection system
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Patent number 4,344,146
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Issue date Aug 10, 1982
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Chesebrough-Pond's Inc.
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Ray E. Davis
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G06 - COMPUTING CALCULATING COUNTING
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