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Thermal protector for electric motors
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Patent number 6,005,471
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Issue date Dec 21, 1999
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Ubukata Industries Co., Ltd.
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Isao Higashikata
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Bimetal
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Patent number 5,573,860
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Issue date Nov 12, 1996
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Sumitomo Special Metals Co., Ltd.
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Kenji Hirano
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B32 - LAYERED PRODUCTS
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Thermostat metal
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Patent number 4,217,398
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Issue date Aug 12, 1980
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Texas Instruments Incorporated
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Henry Ty
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B32 - LAYERED PRODUCTS
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3748888
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Patent number 3,748,888
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Issue date Jul 31, 1973
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3739643
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Patent number 3,739,643
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Issue date Jun 19, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3646591
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Patent number 3,646,591
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Issue date Feb 29, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3491323
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Patent number 3,491,323
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Issue date Jan 20, 1970
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G05 - CONTROLLING REGULATING
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3479732
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Patent number 3,479,732
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Issue date Nov 25, 1969
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G01 - MEASURING TESTING
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3453888
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Patent number 3,453,888
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Issue date Jul 8, 1969
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G01 - MEASURING TESTING
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3393389
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Patent number 3,393,389
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Issue date Jul 16, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3123903
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Patent number 3,123,903
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Issue date Mar 10, 1964
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...