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Visualization trocar
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Patent number 5,797,944
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Issue date Aug 25, 1998
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Ethicon Endo-Surgery, Inc.
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Anthony A. Nobles
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Visualization trocar
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Patent number 5,562,696
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Issue date Oct 8, 1996
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Cordis Innovasive Systems, Inc.
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Anthony A. Nobles
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Trocar for endoscopic surgery
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Patent number 5,385,572
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Issue date Jan 31, 1995
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Beowulf Holdings
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Anthony A. Nobles
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE