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Dental diagnostic method
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Patent number 4,702,593
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Issue date Oct 27, 1987
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Steven G. Detsch
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Dental mirror
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Patent number 4,629,425
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Issue date Dec 16, 1986
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Steven G. Detsch
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Blade locking mechanism
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Patent number 4,281,990
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Issue date Aug 4, 1981
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Steven G. Detsch
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Medical cutting instrument
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Patent number 4,221,222
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Issue date Sep 9, 1980
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Steven G. Detsch
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE