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Switch having improved cover
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Patent number 9,805,884
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Issue date Oct 31, 2017
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FOXCONN INTERCONNECT TECHNOLOGY LIMITED
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Yusho Nakase
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H01 - BASIC ELECTRIC ELEMENTS
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Touch panel unit
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Patent number 7,911,455
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Issue date Mar 22, 2011
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Nissha Printing Co., Ltd.
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Kazuhiro Nishikawa
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G06 - COMPUTING CALCULATING COUNTING
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Key assembly
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Patent number 5,777,281
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Issue date Jul 7, 1998
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Psion Computers PLC
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Martin Philip Riddiford
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H01 - BASIC ELECTRIC ELEMENTS
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Key input device
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Patent number 5,164,553
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Issue date Nov 17, 1992
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Hitachi, Ltd.
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Jun Kitahara
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H01 - BASIC ELECTRIC ELEMENTS
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Compact keyboard structure
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Patent number 4,228,329
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Issue date Oct 14, 1980
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Hitachi, Ltd.
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Fumiyuki Inose
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H01 - BASIC ELECTRIC ELEMENTS
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Planar multiple switch
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Patent number 4,207,444
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Issue date Jun 10, 1980
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Kley, Fitting, Fitting, Nalley and Smith
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Victor B. Kley
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G06 - COMPUTING CALCULATING COUNTING
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Graphical data entry pad
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Patent number 4,079,194
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Issue date Mar 14, 1978
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Victor Kley
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G06 - COMPUTING CALCULATING COUNTING
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Membrane switch apparatus
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Patent number 4,034,176
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Issue date Jul 5, 1977
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Magic Dot, Inc.
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Willis August Larson
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H01 - BASIC ELECTRIC ELEMENTS
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Membrane keyboard apparatus
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Patent number 3,995,126
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Issue date Nov 30, 1976
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Magic Dot, Inc.
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Willis August Larson
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H01 - BASIC ELECTRIC ELEMENTS
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3862382
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Patent number 3,862,382
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Issue date Jan 21, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3860771
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Patent number 3,860,771
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Issue date Jan 14, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3789167
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Patent number 3,789,167
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Issue date Jan 29, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3761944
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Patent number 3,761,944
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Issue date Sep 25, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3760360
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Patent number 3,760,360
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Issue date Sep 18, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3721778
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Patent number 3,721,778
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Issue date Mar 20, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3720938
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Patent number 3,720,938
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Issue date Mar 13, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3696408
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Patent number 3,696,408
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Issue date Oct 3, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3676615
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Patent number 3,676,615
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Issue date Jul 11, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3594522
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Patent number 3,594,522
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Issue date Jul 20, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3591749
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Patent number 3,591,749
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Issue date Jul 6, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE