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Thin key sheet
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Patent number 7,705,256
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Issue date Apr 27, 2010
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Sunarrow Limited
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Yoshio Kenmochi
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H01 - BASIC ELECTRIC ELEMENTS
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Touch panel
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Issue date May 26, 2009
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Mildex Optical Inc.
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Wei-Lung Huang
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G06 - COMPUTING CALCULATING COUNTING
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Panel unit of dealing board
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Patent number 5,461,376
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Issue date Oct 24, 1995
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Hitachi Telecom Technologies, Ltd.
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Fumiyoshi Oono
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H01 - BASIC ELECTRIC ELEMENTS
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Panel unit of dealing board
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Patent number 5,461,377
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Issue date Oct 24, 1995
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Hitachi Telecom Technologies, Ltd.
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Fumiyoshi Oono
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H01 - BASIC ELECTRIC ELEMENTS
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Switch assembly
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Patent number 4,922,070
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Issue date May 1, 1990
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Motorola, Inc.
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Dale W. Dorinski
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H01 - BASIC ELECTRIC ELEMENTS
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Micro-motion keyboard
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Patent number 4,796,007
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Issue date Jan 3, 1989
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NCR Corporation
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George Heys
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H01 - BASIC ELECTRIC ELEMENTS
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Keyswitch structure
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Patent number 4,570,039
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Issue date Feb 11, 1986
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Casio Computer Co., Ltd.
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Hiroshi Osawa
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard
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Patent number 4,527,030
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Issue date Jul 2, 1985
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Preh Elektrofeinmechanische Werke, Jakob Preh Nachf., GmbH & Co.
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Jurgen Oelsch
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H01 - BASIC ELECTRIC ELEMENTS
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Keyswitch arrangement
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Patent number 4,321,441
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Issue date Mar 23, 1982
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Xerox Corporation
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David D. Thornburg
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H01 - BASIC ELECTRIC ELEMENTS
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Keyboard switch assemblies
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Patent number 4,085,306
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Issue date Apr 18, 1978
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KB-Denver, Inc.
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Bill D. Dunlap
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H01 - BASIC ELECTRIC ELEMENTS
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Touch sensitive device
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Patent number 4,055,735
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Issue date Oct 25, 1977
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Honeywell Information Systems Inc.
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Joseph J. Eachus
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H01 - BASIC ELECTRIC ELEMENTS
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3749859
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Issue date Jul 31, 1973
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3731015
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Patent number 3,731,015
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Issue date May 1, 1973
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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