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3587148
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Patent number 3,587,148
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Issue date Jun 28, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3584182
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Patent number 3,584,182
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Issue date Jun 8, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3573535
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Patent number 3,573,535
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Issue date Apr 6, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3544831
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Patent number 3,544,831
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Issue date Dec 1, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3533147
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Patent number 3,533,147
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Issue date Oct 13, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3525897
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Patent number 3,525,897
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H01 - BASIC ELECTRIC ELEMENTS
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3520040
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Patent number 3,520,040
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Issue date Jul 14, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3499197
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Patent number 3,499,197
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Issue date Mar 10, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3426413
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Patent number 3,426,413
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Issue date Feb 11, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3422514
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Patent number 3,422,514
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Issue date Jan 21, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3417448
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Patent number 3,417,448
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Issue date Dec 24, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3409794
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Patent number 3,409,794
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H01 - BASIC ELECTRIC ELEMENTS
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3377679
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Patent number 3,377,679
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H01 - BASIC ELECTRIC ELEMENTS
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3375343
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Patent number 3,375,343
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Issue date Mar 26, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3370196
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Patent number 3,370,196
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Issue date Feb 20, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3364379
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Patent number 3,364,379
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Issue date Jan 16, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3355274
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Patent number 3,355,274
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Issue date Nov 28, 1967
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C03 - GLASS MINERAL OR SLAG WOOL
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3344495
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Patent number 3,344,495
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Issue date Oct 3, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3337933
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Patent number 3,337,933
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Issue date Aug 29, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3334955
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Patent number 3,334,955
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Issue date Aug 8, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3315330
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Patent number 3,315,330
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H01 - BASIC ELECTRIC ELEMENTS
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3287080
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Patent number 3,287,080
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H01 - BASIC ELECTRIC ELEMENTS
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3279029
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Patent number 3,279,029
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H01 - BASIC ELECTRIC ELEMENTS
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3270391
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Patent number 3,270,391
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H01 - BASIC ELECTRIC ELEMENTS
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3263299
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Patent number 3,263,299
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H01 - BASIC ELECTRIC ELEMENTS
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3255374
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Patent number 3,255,374
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H01 - BASIC ELECTRIC ELEMENTS
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3251641
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Patent number 3,251,641
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H01 - BASIC ELECTRIC ELEMENTS
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3248784
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Patent number 3,248,784
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Issue date May 3, 1966
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H01 - BASIC ELECTRIC ELEMENTS