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Ceramic manufactures
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Patent number 9,833,542
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Issue date Dec 5, 2017
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Louis A. Serefin, Jr. Trust
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Louis A. Serafin
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B28 - WORKING CEMENT, CLAY, OR STONE
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Rail-fixing implant
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Patent number 9,820,861
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Issue date Nov 21, 2017
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Richard Charles Smith
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Ceramic manufactures
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Patent number 9,694,102
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Issue date Jul 4, 2017
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Louis A. Serafin, Jr. Trust
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Louis A. Serafin
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B28 - WORKING CEMENT, CLAY, OR STONE
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Wedge-fixing implant
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Patent number 9,486,321
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Issue date Nov 8, 2016
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Richard C. Smith
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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