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Safety cannula
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Patent number 5,785,692
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Issue date Jul 28, 1998
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Abbott Laboratories
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Kurt Attermeier
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Safety cannula
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Patent number 5,531,711
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Issue date Jul 2, 1996
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Sterling Winthrop, Inc.
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Kurt Attermeier
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Safety cannula
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Patent number 5,389,086
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Issue date Feb 14, 1995
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Sterling Winthrop Inc.
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Kurt Attermeier
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE