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Cup
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Patent number 5,702,473
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Issue date Dec 30, 1997
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Astra Aktiebolag
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Bjorn Albrektsson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Prosthesis device fabrication
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Patent number 4,636,219
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Issue date Jan 13, 1987
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Techmedica, Inc.
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Clyde R. Pratt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Socket and joint prostheses
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Patent number 4,126,924
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Issue date Nov 28, 1978
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General Atomic Company
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Robert J. Akins
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE