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Digital joystick controller
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Patent number 4,501,939
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Issue date Feb 26, 1985
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Personal Peripherals Inc.
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Tom M. Hyltin
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G05 - CONTROLLING REGULATING
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Runners watch
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Patent number 4,387,437
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Issue date Jun 7, 1983
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Lowrey; John W.
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John W. Lowrey
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G07 - CHECKING-DEVICES
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Digital thermostat
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Patent number 4,337,822
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Issue date Jul 6, 1982
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Tom M. Hyltin
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G05 - CONTROLLING REGULATING
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Digital thermostat
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Patent number 4,264,034
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Issue date Apr 28, 1981
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Tom M. Hyltin
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G05 - CONTROLLING REGULATING
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D.C. potential multiplier
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Patent number 4,001,664
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Issue date Jan 4, 1977
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Seiko Instruments Incorporated
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Tom M. Hyltin
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Pushbutton switch
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Patent number 3,982,089
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Issue date Sep 21, 1976
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Seiko Instruments Incorporated
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Tom M. Hyltin
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H01 - BASIC ELECTRIC ELEMENTS