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Contouring glass seal edge
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Patent number 4,052,184
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Issue date Oct 4, 1977
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Corning Glass Works
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Joseph W. Anderson
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C03 - GLASS MINERAL OR SLAG WOOL
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3785794
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Patent number 3,785,794
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Issue date Jan 15, 1974
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3666110
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Patent number 3,666,110
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Issue date May 30, 1972
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3567265
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Patent number 3,567,265
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Issue date Mar 2, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3155748
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Patent number 3,155,748
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Issue date Nov 3, 1964
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C03 - GLASS MINERAL OR SLAG WOOL
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2826289
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Patent number 2,826,289
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Issue date Mar 11, 1958
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C03 - GLASS MINERAL OR SLAG WOOL