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Input/output method
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Patent number 4,470,115
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Issue date Sep 4, 1984
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Bell Telephone Laboratories Incorporated
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Larry A. Wehr
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G06 - COMPUTING CALCULATING COUNTING
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Surface wave resonator cascade
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Patent number 4,327,340
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Issue date Apr 27, 1982
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Bell Telephone Laboratories Incorporated
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Larry A. Coldren
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H03 - BASIC ELECTRONIC CIRCUITRY
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Electroacoustic device
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Patent number 4,258,234
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Issue date Mar 24, 1981
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Bell Telephone Laboratories, Incorporated
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Chester M. Bordelon
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Current to voltage converter
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Patent number 4,086,624
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Issue date Apr 25, 1978
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Bell Telephone Laboratories Incorporated
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Phillip Edward Fraley
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Repertory dialer
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Patent number T966005
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Issue date Jan 3, 1978
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Bell Telephone Laboratories Incorporated
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Dean Gillette
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179 -
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Collecting switching system call data
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Patent number 3,944,746
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Issue date Mar 16, 1976
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Bell Telephone Laboratories Incorporated
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Thomas Victor Burns
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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