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Waveform generator
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Patent number 4,550,263
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Issue date Oct 29, 1985
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Phillips Petroleum Company
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James E. Layton
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G01 - MEASURING TESTING
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Waveform generator
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Patent number 4,532,434
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Issue date Jul 30, 1985
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Phillips Petroleum Company
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James E. Layton
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G01 - MEASURING TESTING
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Waveform generator
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Patent number 4,443,713
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Issue date Apr 17, 1984
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Phillips Petroleum Company
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James E. Layton
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G01 - MEASURING TESTING
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Waveform generator
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Patent number 4,305,274
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Issue date Dec 15, 1981
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Phillips Petroleum Company
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James E. Layton
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G01 - MEASURING TESTING
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Gain ranging amplifier
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Patent number 4,297,745
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Issue date Oct 27, 1981
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Phillips Petroleum Company
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James E. Layton
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G01 - MEASURING TESTING
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Process controller
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Patent number 3,984,665
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Issue date Oct 5, 1976
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Phillips Petroleum Company
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Earl E. Shriver
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G05 - CONTROLLING REGULATING