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Programmable controller
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Patent number 4,484,303
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Issue date Nov 20, 1984
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Gould Inc.
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Salvatore R. Provanzano
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G05 - CONTROLLING REGULATING
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Programmable controller
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Patent number 4,307,447
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Issue date Dec 22, 1981
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Gould Inc.
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Salvatore R. Provanzano
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G05 - CONTROLLING REGULATING
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Digital control processor
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Patent number 3,965,457
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Issue date Jun 22, 1976
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L.M. Ericsson Pty. Ltd.
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Keith Harwood
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G05 - CONTROLLING REGULATING
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3930233
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Patent number 3,930,233
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Issue date Dec 30, 1975
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G06 - COMPUTING CALCULATING COUNTING