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Multi-instruction switch
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Patent number 7,381,911
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Issue date Jun 3, 2008
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Zippy Technology Corp.
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Chin-Wen Chou
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H01 - BASIC ELECTRIC ELEMENTS
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Key switch
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Patent number 4,891,477
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Issue date Jan 2, 1990
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Isamu Matsuzawa
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H01 - BASIC ELECTRIC ELEMENTS
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Switch device
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Patent number 4,789,765
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Issue date Dec 6, 1988
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Tektronix, Inc.
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William E. Berg
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H01 - BASIC ELECTRIC ELEMENTS
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3852542
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Patent number 3,852,542
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Issue date Dec 3, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3836742
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Patent number 3,836,742
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Issue date Sep 17, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3614363
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Patent number 3,614,363
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Issue date Oct 19, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3406360
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Patent number 3,406,360
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Issue date Oct 15, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3258548
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Patent number 3,258,548
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Issue date Jun 28, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3192329
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Patent number 3,192,329
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Issue date Jun 29, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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2892047
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Patent number 2,892,047
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Issue date Jun 23, 1959
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2773950
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Patent number 2,773,950
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Issue date Dec 11, 1956
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H01 - BASIC ELECTRIC ELEMENTS
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2684412
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Patent number 2,684,412
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Issue date Jul 20, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2680166
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Patent number 2,680,166
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Issue date Jun 1, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2608628
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Patent number 2,608,628
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H01 - BASIC ELECTRIC ELEMENTS
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2603725
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Patent number 2,603,725
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Issue date Jul 15, 1952
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H01 - BASIC ELECTRIC ELEMENTS
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2521519
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Patent number 2,521,519
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Issue date Sep 5, 1950
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H01 - BASIC ELECTRIC ELEMENTS
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2513950
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Patent number 2,513,950
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H01 - BASIC ELECTRIC ELEMENTS
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1856407
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Patent number 1,856,407
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Issue date May 3, 1932
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H01 - BASIC ELECTRIC ELEMENTS
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1522911
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Patent number 1,522,911
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Issue date Jan 13, 1925
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H01 - BASIC ELECTRIC ELEMENTS