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Monolithic high-voltage capacitor
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Patent number 5,187,637
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Issue date Feb 16, 1993
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AT&T Bell Laboratories
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Milton L. Embree
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Peak catcher circuit
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Patent number 4,720,643
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Issue date Jan 19, 1988
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American Telephone and Telegraph Company, AT&T Bell Laboratories
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Milton L. Embree
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G11 - INFORMATION STORAGE
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Speakerphone linear comparator
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Patent number 4,492,824
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Issue date Jan 8, 1985
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AT&T Bell Laboratories
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Steve W. Bell
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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AC/DC Current divider circuit
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Patent number 4,479,066
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Issue date Oct 23, 1984
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AT&T Bell Laboratories
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Milton L. Embree
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Switchhook status detector
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Patent number 4,473,719
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Issue date Sep 25, 1984
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AT&T Bell Laboratories
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Milton L. Embree
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Battery feed circuit
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Patent number 4,419,542
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Issue date Dec 6, 1983
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Bell Telephone Laboratories, Incorporated
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Milton L. Embree
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Precision isolation amplifier
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Patent number 4,412,184
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Issue date Oct 25, 1983
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Bell Telephone Laboratories, Incorporated
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Milton L. Embree
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H03 - BASIC ELECTRONIC CIRCUITRY
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Voltage to current converter
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Patent number 4,354,122
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Issue date Oct 12, 1982
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Bell Telephone Laboratories, Incorporated
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Milton L. Embree
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G05 - CONTROLLING REGULATING
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Reciprocal current circuit
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Patent number 4,323,797
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Issue date Apr 6, 1982
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Bell Telephone Laboratories, Incorporated
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Milton L. Embree
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G06 - COMPUTING CALCULATING COUNTING
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Electronic tone ringer
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Patent number 4,276,448
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Issue date Jun 30, 1981
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Bell Telephone Laboratories, Incorporated
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Milton L. Embree
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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