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Test tube making and end coating
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Patent number 4,705,551
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Issue date Nov 10, 1987
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Chase Instruments Corporation
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E. Howell Robinson
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C03 - GLASS MINERAL OR SLAG WOOL
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3215517
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Patent number 3,215,517
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Issue date Nov 2, 1965
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C03 - GLASS MINERAL OR SLAG WOOL
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3203779
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Patent number 3,203,779
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Issue date Aug 31, 1965
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C03 - GLASS MINERAL OR SLAG WOOL
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3170782
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Patent number 3,170,782
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C03 - GLASS MINERAL OR SLAG WOOL
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3150953
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Patent number 3,150,953
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C03 - GLASS MINERAL OR SLAG WOOL
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3066506
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Patent number 3,066,506
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C03 - GLASS MINERAL OR SLAG WOOL
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2565061
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Patent number 2,565,061
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C03 - GLASS MINERAL OR SLAG WOOL
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2272105
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Patent number 2,272,105
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C03 - GLASS MINERAL OR SLAG WOOL
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2227224
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Patent number 2,227,224
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C03 - GLASS MINERAL OR SLAG WOOL
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2203573
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Patent number 2,203,573
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C03 - GLASS MINERAL OR SLAG WOOL
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2103585
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Patent number 2,103,585
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C03 - GLASS MINERAL OR SLAG WOOL
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2059474
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Patent number 2,059,474
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C03 - GLASS MINERAL OR SLAG WOOL
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2050012
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Patent number 2,050,012
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C03 - GLASS MINERAL OR SLAG WOOL
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1664154
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Patent number 1,664,154
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C03 - GLASS MINERAL OR SLAG WOOL
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1631674
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C03 - GLASS MINERAL OR SLAG WOOL
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1569652
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Patent number 1,569,652
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C03 - GLASS MINERAL OR SLAG WOOL
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1554088
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C03 - GLASS MINERAL OR SLAG WOOL
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1530884
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C03 - GLASS MINERAL OR SLAG WOOL
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1503585
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G07 - CHECKING-DEVICES
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1489836
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C03 - GLASS MINERAL OR SLAG WOOL
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1479809
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C03 - GLASS MINERAL OR SLAG WOOL
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1455056
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C03 - GLASS MINERAL OR SLAG WOOL
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1343179
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C03 - GLASS MINERAL OR SLAG WOOL
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1335733
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C03 - GLASS MINERAL OR SLAG WOOL