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Key structure
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Patent number 11,776,769
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Issue date Oct 3, 2023
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Acer Incorporated
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Hung-Chi Chen
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H01 - BASIC ELECTRIC ELEMENTS
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Micro electronic component structure
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Patent number 9,161,446
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Issue date Oct 13, 2015
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DAWNING LEADING TECHNOLOGY INC
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Diann Fang Lin
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Back-illuminated switch panel
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Patent number 8,506,101
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Issue date Aug 13, 2013
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John McGavigan Limited
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Stephen John Mathers
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H01 - BASIC ELECTRIC ELEMENTS
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Switch contact structure
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Patent number 6,573,467
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Issue date Jun 3, 2003
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Matsushita Electric Industrial Co., Ltd.
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Kiyoshi Nakanishi
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H01 - BASIC ELECTRIC ELEMENTS
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Capacitive switch assembly
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Patent number 5,130,507
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Issue date Jul 14, 1992
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Eaton Corporation
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Joseph C. Zuercher
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H03 - BASIC ELECTRONIC CIRCUITRY
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Low force membrane switch
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Patent number 4,818,827
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Issue date Apr 4, 1989
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AMP Incorporated
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Ralph G. Ipcinski
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Conductive elastomeric ink composition
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Patent number 4,634,623
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Issue date Jan 6, 1987
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The Gates Corporation
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Richard L. Watkins
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Input device
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Patent number 4,628,408
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Issue date Dec 9, 1986
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Alps Electric Co., Ltd.
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Kiyoshi Kimura
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H01 - BASIC ELECTRIC ELEMENTS
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Conductive elastomeric ink composition
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Patent number 4,518,833
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Issue date May 21, 1985
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Gates Data Products, Inc.
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Richard L. Watkins
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Planar touch panel
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Patent number 4,467,151
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Issue date Aug 21, 1984
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Control Data Corporation
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Robert J. Johnson
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H01 - BASIC ELECTRIC ELEMENTS
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Membrane switch
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Patent number 4,415,781
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Issue date Nov 15, 1983
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W. H. Brady Co.
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Norman J. Frame
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H01 - BASIC ELECTRIC ELEMENTS
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Switching contact
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Patent number 4,405,849
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Issue date Sep 20, 1983
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W. H. Brady Co.
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Norman J. Frame
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H01 - BASIC ELECTRIC ELEMENTS
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Capacitance switch
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Patent number 4,373,124
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Issue date Feb 8, 1983
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W. H. Brady Co.
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Norman J. Frame
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H03 - BASIC ELECTRONIC CIRCUITRY
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Capacitance switch
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Patent number 4,373,122
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Issue date Feb 8, 1983
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W. H. Brady Co.
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Norman J. Frame
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H03 - BASIC ELECTRONIC CIRCUITRY
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Capacitance switch
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Patent number 4,367,385
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Issue date Jan 4, 1983
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W. H. Brady Co.
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Norman J. Frame
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H03 - BASIC ELECTRONIC CIRCUITRY
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