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Electrical switch
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Patent number 10,748,727
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Issue date Aug 18, 2020
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Mei Mei Memie Wong
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H01 - BASIC ELECTRIC ELEMENTS
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Electronic rotary switch
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Patent number 10,720,295
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Issue date Jul 21, 2020
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Tektronix, Inc.
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James D. Pileggi
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H01 - BASIC ELECTRIC ELEMENTS
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Device for matrix switching
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Patent number 6,710,268
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Issue date Mar 23, 2004
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Telefonaktiebolagot LM Ericsson (publ)
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Sture Góste Roos
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H01 - BASIC ELECTRIC ELEMENTS
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3912910
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Patent number 3,912,910
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Issue date Oct 14, 1975
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G06 - COMPUTING CALCULATING COUNTING
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3590970
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Patent number 3,590,970
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Issue date Jul 6, 1971
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3539955
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Patent number 3,539,955
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Issue date Nov 10, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3447106
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Patent number 3,447,106
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Issue date May 27, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3419731
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Patent number 3,419,731
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Issue date Dec 31, 1968
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H03 - BASIC ELECTRONIC CIRCUITRY
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3398303
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Patent number 3,398,303
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Issue date Aug 20, 1968
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3362013
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Patent number 3,362,013
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Issue date Jan 2, 1968
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G08 - SIGNALLING
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3293460
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Patent number 3,293,460
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Issue date Dec 20, 1966
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3272940
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Patent number 3,272,940
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Issue date Sep 13, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3267225
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Patent number 3,267,225
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H01 - BASIC ELECTRIC ELEMENTS
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3254174
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Patent number 3,254,174
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H01 - BASIC ELECTRIC ELEMENTS
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3249718
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Patent number 3,249,718
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H01 - BASIC ELECTRIC ELEMENTS
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3236970
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Patent number 3,236,970
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H01 - BASIC ELECTRIC ELEMENTS
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3233066
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Patent number 3,233,066
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H01 - BASIC ELECTRIC ELEMENTS
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3229125
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Patent number 3,229,125
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H01 - BASIC ELECTRIC ELEMENTS
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3213238
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Patent number 3,213,238
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H01 - BASIC ELECTRIC ELEMENTS
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3192342
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Patent number 3,192,342
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H01 - BASIC ELECTRIC ELEMENTS
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3187143
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Patent number 3,187,143
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H01 - BASIC ELECTRIC ELEMENTS
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3187144
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Patent number 3,187,144
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Issue date Jun 1, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3168630
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Patent number 3,168,630
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3168629
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Patent number 3,168,629
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H01 - BASIC ELECTRIC ELEMENTS
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3159724
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Patent number 3,159,724
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Issue date Dec 1, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3159733
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Patent number 3,159,733
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Issue date Dec 1, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3139549
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Patent number 3,139,549
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Issue date Jun 30, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3133173
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Patent number 3,133,173
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Issue date May 12, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3119905
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Patent number 3,119,905
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Issue date Jan 28, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3106626
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Patent number 3,106,626
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Issue date Oct 8, 1963
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H01 - BASIC ELECTRIC ELEMENTS