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Radiolucent head support
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Patent number 5,276,927
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Issue date Jan 11, 1994
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Ohio Medical Instrument Co.
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James L. Day
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Surgical head clamp
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Patent number 5,269,034
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Issue date Dec 14, 1993
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Ohio Medical Instrument Company, Inc.
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James L. Day
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Vertebral lock
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Patent number 4,892,545
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Issue date Jan 9, 1990
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Ohio Medical Instrument Company, Inc.
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James L. Day
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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