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Leakfree pumpback packing
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Patent number 6,234,490
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Issue date May 22, 2001
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George B. Champlin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Self-adjusting interlocking bushing
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Patent number 6,220,604
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Issue date Apr 24, 2001
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George B. Champlin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lantern ring coil
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Patent number 5,022,660
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Issue date Jun 11, 1991
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Joseph R. Dunford
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shaped mechanical compression packing
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Patent number 4,729,277
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Issue date Mar 8, 1988
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Seal Company of New England
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George B. Champlin
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Shaped mechanical compression packing
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Patent number 4,672,879
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Issue date Jun 16, 1987
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Seal Company of New England
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George B. Champlin
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Shaped mechanical compression packing
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Patent number 4,550,639
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Issue date Nov 5, 1985
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The Seal Company of New England
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George B. Champlin
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS