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Thermostat
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Patent number 4,696,579
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Issue date Sep 29, 1987
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Texas Instruments Incorporated
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Pietro De Filippis
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H01 - BASIC ELECTRIC ELEMENTS
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Thermostat
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Patent number 4,689,599
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Issue date Aug 25, 1987
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Texas Instruments Incorporated
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Ciro Calenda
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H01 - BASIC ELECTRIC ELEMENTS
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Pressure responsive device
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Patent number 4,638,721
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Issue date Jan 27, 1987
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Readily mountable thermostat
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Patent number 4,317,100
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Issue date Feb 23, 1982
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard apparatus
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Patent number 4,237,351
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Issue date Dec 2, 1980
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard with illuminated keys
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Patent number 4,163,883
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Issue date Aug 7, 1979
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Texas Instruments Incorporated
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Henry J. Boulanger
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Pushbutton keyboard system
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Patent number 4,163,125
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Issue date Jul 31, 1979
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Texas Instruments Incorporated
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Henry J. Boulanger
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G06 - COMPUTING CALCULATING COUNTING
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Method for assembling keyboard
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Patent number 4,153,987
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Issue date May 15, 1979
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard apparatus
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Patent number 4,123,627
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Issue date Oct 31, 1978
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard apparatus
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Patent number 4,086,451
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Issue date Apr 25, 1978
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Pushbutton keyboard system
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Patent number 3,952,174
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Issue date Apr 20, 1976
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Texas Instruments Incorporated
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Henry J. Boulanger
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H01 - BASIC ELECTRIC ELEMENTS
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Current inrush limiter
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Patent number 3,935,511
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Issue date Jan 27, 1976
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Texas Instruments Incorporated
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Henry J. Boulanger
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER