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Retractable hypodermic syringe
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Patent number 6,676,641
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Issue date Jan 13, 2004
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Futura Medical Technologies, Inc.
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James A. Woodard
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Positioning mechanism
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Patent number 5,341,727
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Issue date Aug 30, 1994
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Gas Research Institute
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J. Douglas Dickson
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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High-volume cooking
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Patent number 5,247,874
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Issue date Sep 28, 1993
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Gas Research Institute
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Paul E. George
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...