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3871856
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Patent number 3,871,856
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Issue date Mar 18, 1975
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3397047
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Patent number 3,397,047
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Issue date Aug 13, 1968
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C03 - GLASS MINERAL OR SLAG WOOL
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3272612
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Patent number 3,272,612
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Issue date Sep 13, 1966
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C03 - GLASS MINERAL OR SLAG WOOL
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2826867
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Patent number 2,826,867
-
Issue date Mar 18, 1958
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C03 - GLASS MINERAL OR SLAG WOOL
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2693667
-
Patent number 2,693,667
-
Issue date Nov 9, 1954
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C03 - GLASS MINERAL OR SLAG WOOL
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2648168
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Patent number 2,648,168
-
Issue date Aug 11, 1953
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C03 - GLASS MINERAL OR SLAG WOOL
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2627702
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Patent number 2,627,702
-
Issue date Feb 10, 1953
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C03 - GLASS MINERAL OR SLAG WOOL
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2347181
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Patent number 2,347,181
-
Issue date Apr 25, 1944
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C03 - GLASS MINERAL OR SLAG WOOL
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1957410
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Patent number 1,957,410
-
Issue date May 1, 1934
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C03 - GLASS MINERAL OR SLAG WOOL
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1929842
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Patent number 1,929,842
-
Issue date Oct 10, 1933
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C03 - GLASS MINERAL OR SLAG WOOL