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Carry-select adder
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Patent number 5,027,312
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Issue date Jun 25, 1991
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Siemens Aktiengellschaft
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Karl Knauer
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G06 - COMPUTING CALCULATING COUNTING
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Multi-place ripple-carry adder
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Patent number 4,931,981
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Issue date Jun 5, 1990
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Siemens Aktiengesellschaft
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Karl Knauer
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G06 - COMPUTING CALCULATING COUNTING
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Ripple-carry adder
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Patent number 4,839,849
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Issue date Jun 13, 1989
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Siemens Aktiengesellschaft
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Karl Knauer
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G06 - COMPUTING CALCULATING COUNTING
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Dynamic storage element
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Patent number 4,242,603
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Issue date Dec 30, 1980
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Siemens Aktiengesellschaft
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Guenther Meusburger
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G11 - INFORMATION STORAGE
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Transversal filter
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Patent number 4,233,578
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Issue date Nov 11, 1980
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Siemens Aktiengesellschaft
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Karl Knauer
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H03 - BASIC ELECTRONIC CIRCUITRY
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Transversal filter
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Patent number 4,200,848
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Issue date Apr 29, 1980
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Siemens Aktiengesellschaft
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Karl Knauer
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G11 - INFORMATION STORAGE
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Transversal filter
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Patent number 4,193,050
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Issue date Mar 11, 1980
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Siemens Aktiengesellschaft
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Karl Knauer
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H03 - BASIC ELECTRONIC CIRCUITRY
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Opto-electronic sensor
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Patent number 4,131,810
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Issue date Dec 26, 1978
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Siemens Aktiengesellschaft
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Karl Knauer
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H01 - BASIC ELECTRIC ELEMENTS