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Method of making extruded article
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Patent number 5,011,642
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Issue date Apr 30, 1991
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Minnesota Mining and Manufacturing Company
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Dennis G. Welygan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruded article and method of making same
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Patent number 4,828,902
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Issue date May 9, 1989
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Minnesota Mining and Manufacturing Company
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Dennis G. Welygan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruded article and method of making the same
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Patent number 4,732,770
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Issue date Mar 22, 1988
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Minnesota Mining and Manufacturing Company
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Dennis G. Welygan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruded article and method of making the same
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Patent number 4,634,485
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Issue date Jan 6, 1987
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Minnesota Mining and Manufacturing Company
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Dennis G. Welygan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Extruded article and method of making the same
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Patent number 4,631,215
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Issue date Dec 23, 1986
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Minnesota Mining and Manufacturing Company
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Dennis G. Welygan
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Transparent friction surface sheet material
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Patent number 4,328,274
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Issue date May 4, 1982
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Minnesota Mining and Manufacturing Company
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Kent S. Tarbutton
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL