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Pipe belling process
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Patent number 6,676,886
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Issue date Jan 13, 2004
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S&B Technical Products, Inc.
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Bradford Corbett
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Dual purpose low insertion force gasket
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Patent number 6,299,176
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Issue date Oct 9, 2001
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S&B Technical Products
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Samuel Guzowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe gasket with shielded band
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Patent number 6,113,159
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Issue date Sep 5, 2000
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S&B Technical Products, Inc.
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Bradford G. Corbett
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe gasket with embedded ring
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Patent number 5,988,695
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Issue date Nov 23, 1999
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S&B Technical Products, Inc.
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Bradford G. Corbett
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...