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3826943
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Patent number 3,826,943
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Issue date Jul 30, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3816087
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Patent number 3,816,087
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Issue date Jun 11, 1974
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C03 - GLASS MINERAL OR SLAG WOOL
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3622297
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Patent number 3,622,297
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Issue date Nov 23, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3582175
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Patent number 3,582,175
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H01 - BASIC ELECTRIC ELEMENTS
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3536462
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Patent number 3,536,462
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Issue date Oct 27, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3512952
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Patent number 3,512,952
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C03 - GLASS MINERAL OR SLAG WOOL
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3503727
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Patent number 3,503,727
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H01 - BASIC ELECTRIC ELEMENTS
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3460879
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Patent number 3,460,879
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C03 - GLASS MINERAL OR SLAG WOOL
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3420603
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Patent number 3,420,603
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G02 - OPTICS
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3416851
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Patent number 3,416,851
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Issue date Dec 17, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3413508
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Patent number 3,413,508
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H01 - BASIC ELECTRIC ELEMENTS
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3411971
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Patent number 3,411,971
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Issue date Nov 19, 1968
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C03 - GLASS MINERAL OR SLAG WOOL
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3369881
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Patent number 3,369,881
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H01 - BASIC ELECTRIC ELEMENTS
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3366252
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Patent number 3,366,252
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Issue date Jan 30, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3359089
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Patent number 3,359,089
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Issue date Dec 19, 1967
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H01 - BASIC ELECTRIC ELEMENTS
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3342158
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Patent number 3,342,158
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H01 - BASIC ELECTRIC ELEMENTS
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3339522
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Patent number 3,339,522
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H01 - BASIC ELECTRIC ELEMENTS
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3324742
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Patent number 3,324,742
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Issue date Jun 13, 1967
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3319818
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Patent number 3,319,818
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H01 - BASIC ELECTRIC ELEMENTS
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3285457
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Patent number 3,285,457
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H01 - BASIC ELECTRIC ELEMENTS
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3273986
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Patent number 3,273,986
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C03 - GLASS MINERAL OR SLAG WOOL
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3250605
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Patent number 3,250,605
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C03 - GLASS MINERAL OR SLAG WOOL
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3153839
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Patent number 3,153,839
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H01 - BASIC ELECTRIC ELEMENTS
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3136441
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3122825
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F21 - LIGHTING
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3120433
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Patent number 3,120,433
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C03 - GLASS MINERAL OR SLAG WOOL
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3113011
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Patent number 3,113,011
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H01 - BASIC ELECTRIC ELEMENTS
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3077754
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Patent number 3,077,754
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C03 - GLASS MINERAL OR SLAG WOOL
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3063709
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H01 - BASIC ELECTRIC ELEMENTS
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3045332
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Patent number 3,045,332
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Issue date Jul 24, 1962
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H01 - BASIC ELECTRIC ELEMENTS