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Surgical implant
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Patent number 4,851,005
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Issue date Jul 25, 1989
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South African Invention Development Corporation
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Michael S. Hunt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Surgical implant
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Patent number 4,778,468
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Issue date Oct 18, 1988
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South African Invention Development Corporation
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Michael S. Hunt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Surgical implant
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Patent number 4,590,928
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Issue date May 27, 1986
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South African Invention Development Corporation
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Michael S. Hunt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Surgical implant
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Patent number 4,506,681
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Issue date Mar 26, 1985
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South African Inventions Development Corporation
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Peter J. Mundell
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL