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Capacitive switch and panel
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Patent number 4,413,252
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Issue date Nov 1, 1983
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Robertshaw Controls Company
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Hugh J. Tyler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Capacitive switch and panel
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Patent number 4,379,287
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Issue date Apr 5, 1983
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Robertshaw Controls Company
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Hugh J. Tyler
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H03 - BASIC ELECTRONIC CIRCUITRY
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Electrical heater construction
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Patent number 4,131,789
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Issue date Dec 26, 1978
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Robertshaw Controls Company
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Hugh J. Tyler
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical heater construction
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Patent number 4,131,787
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Issue date Dec 26, 1978
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Robertshaw Controls Company
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Hugh J. Tyler
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Motor control circuit
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Patent number 4,042,966
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Issue date Aug 16, 1977
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Robertshaw Controls Company
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Dennis E. Newell
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Motor protection circuit unit
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Patent number 4,028,736
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Issue date Jun 7, 1977
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Robertshaw Controls Company
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James R. Willson
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Voltage protection circuit
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Patent number 4,027,202
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Issue date May 31, 1977
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Robertshaw Controls Company
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Hugh J. Tyler
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Safety valve
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Patent number 4,025,041
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Issue date May 24, 1977
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Robertshaw Controls Company
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Hugh J. Tyler
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F24 - HEATING RANGES VENTILATING
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Damper actuator
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Patent number 4,000,663
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Issue date Jan 4, 1977
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Robertshaw Controls Company
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Hugh J. Tyler
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F24 - HEATING RANGES VENTILATING
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Motor protection circuit
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Patent number 3,974,430
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Issue date Aug 10, 1976
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Robertshaw Controls Company
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Hugh J. Tyler
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Condition responsive control circuit
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Patent number 3,965,396
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Issue date Jun 22, 1976
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Robertshaw Controls Company
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Hugh J. Tyler
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Burner system
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Patent number 3,954,384
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Issue date May 4, 1976
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Robertshaw Controls Company
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Hugh J. Tyler
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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