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Solid state power controller
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Patent number 4,864,214
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Issue date Sep 5, 1989
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Westinghouse Electric Corp.
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William W. Billings
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H03 - BASIC ELECTRONIC CIRCUITRY
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3588538
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Patent number 3,588,538
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Issue date Jun 28, 1971
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G06 - COMPUTING CALCULATING COUNTING
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3515906
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Patent number 3,515,906
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Issue date Jun 2, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3492505
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Patent number 3,492,505
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Issue date Jan 27, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3405399
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Patent number 3,405,399
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Issue date Oct 8, 1968
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G11 - INFORMATION STORAGE
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3351924
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Patent number 3,351,924
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Issue date Nov 7, 1967
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G11 - INFORMATION STORAGE
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3077545
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Patent number 3,077,545
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Issue date Feb 12, 1963
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H03 - BASIC ELECTRONIC CIRCUITRY
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3054908
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Patent number 3,054,908
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Issue date Sep 18, 1962
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H03 - BASIC ELECTRONIC CIRCUITRY