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Hip prosthesis
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Patent number D254987
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Issue date May 13, 1980
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Richards Manufacturing Co., Inc.
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James T. Treace
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D24 - Medical and laboratory equipment
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Hip joint prosthesis
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Patent number 4,141,088
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Issue date Feb 27, 1979
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Richards Manufacturing Company, Inc.
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James T. Treace
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Elbow prosthesis
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Patent number 4,131,956
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Issue date Jan 2, 1979
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Richards Manufacturing Company, Inc.
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James T. Treace
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Prosthetic collateral ligament
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Patent number 3,988,783
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Issue date Nov 2, 1976
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Richards Manufacturing Company, Inc.
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James T. Treace
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Prosthetic ligament
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Patent number 3,953,896
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Issue date May 4, 1976
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Richards Manufacturing Company, Inc.
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James T. Treace
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE