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Current memory cell
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Patent number 5,296,752
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Issue date Mar 22, 1994
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U.S. Philips Corporation
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Dirk W. J. Groeneveld
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G11 - INFORMATION STORAGE
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Current-source arrangement
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Patent number 4,967,140
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Issue date Oct 30, 1990
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U.S. Philips Corporation
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Dirk W. J. Groeneveld
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G05 - CONTROLLING REGULATING
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Current source arrangement
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Patent number 4,864,215
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Issue date Sep 5, 1989
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U.S. Philips Corp.
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Hendrikus J. Schouwenaars
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H03 - BASIC ELECTRONIC CIRCUITRY
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Current source arrangement
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Patent number 4,859,930
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Issue date Aug 22, 1989
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Hendrikus J. Schouwenaars
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H03 - BASIC ELECTRONIC CIRCUITRY
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Current stabilizing arrangement
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Patent number 4,446,419
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Issue date May 1, 1984
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U.S. Philips Corporation
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Rudy J. van de Plassche
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G05 - CONTROLLING REGULATING