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Plastic forceps
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Patent number 4,502,485
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Issue date Mar 5, 1985
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Kermit H. Burgin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Speculum lens structure
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Patent number 4,300,541
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Issue date Nov 17, 1981
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Kermit Burgin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Locking adjustable speculum
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Patent number 4,263,899
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Issue date Apr 28, 1981
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Kermit H. Burgin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Plastic forceps
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Patent number 4,165,746
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Issue date Aug 28, 1979
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Kermit H. Burgin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Locking adjustable speculum
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Patent number 4,156,424
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Issue date May 29, 1979
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Kermit H. Burgin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Building structure
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Patent number 4,010,582
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Issue date Mar 8, 1977
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Kermit H. Burgin
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E04 - BUILDING