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Vacuum splint
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Patent number 9,445,933
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Issue date Sep 20, 2016
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HARTWELL MEDICAL LLC
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Gary R. Williams
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patient carrier
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Patent number 5,765,243
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Issue date Jun 16, 1998
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Hartwell Medical Corporation
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Matthew F. Duncan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Restraint stretcher
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Patent number 5,014,374
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Issue date May 14, 1991
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Gary R. Williams
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Cylinder holder
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Patent number 4,606,521
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Issue date Aug 19, 1986
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Gary R. Williams
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS