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Plasma discharge shift registers
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Patent number 3,991,341
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Issue date Nov 9, 1976
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Bell Telephone Laboratories, Incorporated
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Peter Dinh-Tuan Ngo
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3911422
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Patent number 3,911,422
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Issue date Oct 7, 1975
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3895361
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Patent number 3,895,361
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Issue date Jul 15, 1975
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3812486
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Patent number 3,812,486
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Issue date May 21, 1974
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G08 - SIGNALLING
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3789264
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Patent number 3,789,264
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Issue date Jan 29, 1974
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G11 - INFORMATION STORAGE
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3509715
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Patent number 3,509,715
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Issue date May 5, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3500121
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Patent number 3,500,121
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Issue date Mar 10, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3472639
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Patent number 3,472,639
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Issue date Oct 14, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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3466498
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Patent number 3,466,498
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Issue date Sep 9, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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2925530
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Patent number 2,925,530
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Issue date Feb 16, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2847615
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Patent number 2,847,615
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Issue date Aug 12, 1958
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G11 - INFORMATION STORAGE