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Electric glass hot shop system
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Patent number 8,891,582
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Issue date Nov 18, 2014
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Corning Museum of Glass
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Steven Thomas Gibbs
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C03 - GLASS MINERAL OR SLAG WOOL
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Atmosphere controlled electric melting
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Patent number 4,389,724
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Issue date Jun 21, 1983
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Wooding Corporation
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Patrick J. Wooding
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3674904
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Patent number 3,674,904
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Issue date Jul 4, 1972
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F27 - FURNACES KILNS OVENS RETORTS
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3652245
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Patent number 3,652,245
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Issue date Mar 28, 1972
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C03 - GLASS MINERAL OR SLAG WOOL
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3607166
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Patent number 3,607,166
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Issue date Sep 21, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3585268
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Patent number 3,585,268
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Issue date Jun 15, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3261676
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Patent number 3,261,676
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Issue date Jul 19, 1966
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3205292
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Patent number 3,205,292
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Issue date Sep 7, 1965
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C03 - GLASS MINERAL OR SLAG WOOL