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Tri-state logic circuit
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Patent number 4,029,971
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Issue date Jun 14, 1977
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RCA Corporation
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Richard Lee Pryor
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H03 - BASIC ELECTRONIC CIRCUITRY
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3909634
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Patent number 3,909,634
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Issue date Sep 30, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3860834
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Patent number 3,860,834
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Issue date Jan 14, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3855481
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Patent number 3,855,481
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Issue date Dec 17, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3789245
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Patent number 3,789,245
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Issue date Jan 29, 1974
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G11 - INFORMATION STORAGE
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3772660
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Patent number 3,772,660
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Issue date Nov 13, 1973
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G11 - INFORMATION STORAGE
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3681617
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Patent number 3,681,617
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Issue date Aug 1, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3671764
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Patent number 3,671,764
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Issue date Jun 20, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3671763
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Patent number 3,671,763
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Issue date Jun 20, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3668437
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Patent number 3,668,437
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Issue date Jun 6, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3663837
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Patent number 3,663,837
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Issue date May 16, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3662193
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Patent number 3,662,193
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Issue date May 9, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3619643
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Patent number 3,619,643
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Issue date Nov 9, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3600603
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Patent number 3,600,603
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Issue date Aug 17, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3593034
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Patent number 3,593,034
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Issue date Jul 13, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3564385
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Patent number 3,564,385
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Issue date Feb 16, 1971
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3562721
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Patent number 3,562,721
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Issue date Feb 9, 1971
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G11 - INFORMATION STORAGE
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3560769
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Patent number 3,560,769
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Issue date Feb 2, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3560762
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Patent number 3,560,762
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Issue date Feb 2, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3543296
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Patent number 3,543,296
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Issue date Nov 24, 1970
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G11 - INFORMATION STORAGE
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3514584
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Patent number 3,514,584
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Issue date May 26, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3492496
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Patent number 3,492,496
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Issue date Jan 27, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY